Browse Standards
Found: 225892 — page 4554 of 4707
Valid
GB/T 7590-1987 — Code of Chinese ideograms set for information interchange. The 4th supplementary set
National·Recommended
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$495.0027 pages
Valid
GB/T 7591-1987 — Programming language Pascal
National·Recommended
Instant delivery (0–9 sec)
$770.0039 pages
Withdrawn
GB/T 7592-1987 — Boundary dimensions of E. O. T. cranes
National·Recommended
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$245.00PDF
Superseded
GB/T 7593-1987 — Powered industrial trucks--Control symbols
National·Recommended
Instant delivery (0–9 sec)
$710.00PDF
Withdrawn
GB/T 7594.1-1987 — Rubber insulation and sheath of electric cables and wires. Part 1: General
National·Recommended
Instant delivery (0–9 sec)
$75.00PDF
Withdrawn
GB/T 7594.10-1987 — Rubber insulation and sheath of electric cables and wires. Part 10: Ordinary duty flame-retardant rubber sheath 90 Centigrade
National·Recommended
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$75.00PDF
Withdrawn
GB/T 7594.11-1987 — Rubber insulation and sheath of electric cables and wires. Part 11: Rubber insulation or sheath 180 Centigrade
National·Recommended
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$75.00PDF
Withdrawn
GB/T 7594.2-1987 — Rubber insulation and sheath of electric cables and wires. Part 2: Rubber insulation 65 Centigrade
National·Recommended
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$75.00PDF
Withdrawn
GB/T 7594.3-1987 — Rubber insulation and sheath of electric cables and wires. Part 3: Rubber insulation 70 Centigrade
National·Recommended
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$75.00PDF
Withdrawn
GB/T 7594.4-1987 — Rubber insulation and sheath of electric cables and wires. Part 4: Ordinary duty rubber sheath 65 Centigrade
National·Recommended
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$75.00PDF
Withdrawn
GB/T 7594.5-1987 — Rubber insulation and sheath of electric cables and wires. Part 5: Ordinary duty flame-retardant rubber sheath 65 Centigrade
National·Recommended
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$75.00PDF
Withdrawn
GB/T 7594.6-1987 — Rubber insulation and sheath of electric cables and wires. Part 6: Heavy duty rubber sheath 65 Centigrade
National·Recommended
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$75.00PDF
Withdrawn
GB/T 7594.7-1987 — Rubber insulation and sheath of electric cables and wires. Part 7: Heavy duty flame-retardant rubber sheath 65 Centigrade
National·Recommended
Instant delivery (0–9 sec)
$79.00PDF
Withdrawn
GB/T 7594.8-1987 — Rubber insulation and sheath of electric cables and wires. Part 8: Rubber sheath 90 Centigrade
National·Recommended
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$79.00PDF
Withdrawn
GB/T 7594.9-1987 — Rubber insulation and sheath of electric cables and wires. Part 9: Ordinary duty flame-retardant rubber sheath 85 Centigrade
National·Recommended
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$75.00PDF
Superseded
GB/T 7598-1987 — Determination of water-soluble acid in transformer and turbine oils in service by colormetric method
National·Recommended
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$105.00PDF
Withdrawn
GB/T 7599-1987 — Determination of acid number in transformer and turbine oils in service by BTB method
National·Recommended
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$79.00PDF
Superseded
GB/T 7600-1987 — Determination of water content in transformer oils in service by coulometric method
National·Recommended
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$75.00PDF
Superseded
GB/T 7601-1987 — Determination of water content in transformer oils in service by gas chromatographic method
National·Recommended
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$85.00PDF
Valid
GB/T 7602-1987 — Determination of T501 oxidation inhibitor content in transformer oil or turbine oil -- Part 1: spectrophotometric method
National·Recommended
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$114.004 pages
Superseded
GB/T 7603-1987 — Determination of the aromatic carbon content in mineral insulating oils by infrared spectrum method
National·Recommended
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$105.00PDF
Withdrawn
GB/T 7604-1987 — Determination of the aromatic hydrocarbon content in mineral insulating oils
National·Recommended
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$79.00PDF
Superseded
GB/T 7605-1987 — Determination of clemulsibility characteristics of turbine oils in service
National·Recommended
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$195.00PDF
Superseded
GB/T 7607-1987 — Oil changing criterion for motorcar diesel engine oil in use
National·Recommended
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$195.00PDF
Withdrawn
GB/T 7610-1987 — Characteristics of pulse code modulation for voice-frequencies
National·Recommended
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$40.00PDF
Superseded
GB/T 7611-1987 — Parameters of digital interface for PCM systems over telecommunication network
National·Recommended
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$1,230.00PDF
Withdrawn
GB/T 7614-1987 — An artificial ear of wide band type for the calibration of earphones used in audiometry
National·Recommended
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$79.00PDF
Withdrawn
GB/T 7615-1987 — CATV System. Antenna part
National·Recommended
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$85.00PDF
Withdrawn
GB/T 7616-1987 — Equivalence between binary notation symbols and the significant conditions of a two-condition code
National·Recommended
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$165.00PDF
Withdrawn
GB/T 7617-1987 — Power levels for data transmission over telephone lines
National·Recommended
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$165.00PDF
Valid
GB/T 7618-1987 — Electrical characteristics for unbalanced double-current interchange circuits for general use with integrated circuit equipment in the field of data communications
National·Recommended
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$205.001 pages
Valid
GB/T 7619-1987 — Electrical characteristics for balanced double-current interchange circuits for general use with integrated circuit equipment in the field of data communications
National·Recommended
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$135.009 pages
Valid
GB/T 7620-1987 — 300 bits per second duplex modem standardized for use in the general switched telephone network
National·Recommended
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$109.004 pages
Valid
GB/T 7621-1987 — 1200 bits per second duplex modem standardized for use in the general switched telephone network and on point-to-point 2-wire leased telephone circuits
National·Recommended
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$195.0011 pages
Valid
GB/T 7622-1987 — 600/1200--Baud modem standardized for use in the general switched telephone network
National·Recommended
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$85.005 pages
Valid
GB/T 7623-1987 — Automatic answering equipment and/or parallel automatic calling equipment on the general switched telephone network, including procedures for disabling of echocontrol devices for both manually and automatically est
National·Recommended
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$135.007 pages
Valid
GB/T 7624-1987 — 2400 bits per second modem standardized for use on 4 wire leased telephone-type circuits
National·Recommended
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$100.004 pages
Valid
GB/T 7625-1987 — 2400/1200 bits per second modem standardized for use in the general switched telephone network
National·Recommended
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$70.005 pages
Valid
GB/T 7626-1987 — 4800 bits per second modem with manual equalizer standardized for use on leased telephone-type circuits
National·Recommended
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$70.005 pages
Withdrawn
GB/T 7627-1987 — Characteristics of distortion and error-rate measuring app-aratus for data transmission
National·Recommended
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$165.00PDF
Superseded
GB/T 7628-1987 — Method for the determination of vitamin B1 in cereals
National·Recommended
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$90.00PDF
Superseded
GB/T 7629-1987 — Method for the determination of vitamin B2 in cereals
National·Recommended
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$199.00PDF
Withdrawn
GB/T 7630-1987 — The tribromoarsenazo photometric method for the determination of rare earth oxide content in rice and wheat
National·Recommended
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$79.00PDF
Superseded
GB/T 7631.1-1987 — Lubricants and related products (class L)--Classification--Part 1: General
National·Recommended
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$65.00PDF
Superseded
GB/T 7631.2-1987 — Lubricants and related products (class L)--Classification--Part 2: Family H (Hydraulic systems)
National·Recommended
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$70.00PDF
Valid
GB/T 7632-1987 — Recommendations for the choice of lubricants for machine tools
National·Recommended
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$95.004 pages
Superseded
GB/T 7633-1987 — Fire resistance test method of door and shutter assemblies
National·Recommended
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$125.00PDF
Withdrawn
GB/T 7634-1987 — Petroleum and related products--Determination of lower flashpoint--Rapid equilibrium method
National·Recommended
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$79.00PDF