GB/T Standards
Found: 49361 — page 1028 of 1029
Valid
GB/T 3771-1983 — Conversion of hardness and strength for copper alloys
National·Recommended
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$465.0026 pages
Valid
GB/T 3785-1983 — Electroacoustics - Sound level meters - Part 1: Specifications
National·Recommended
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$779.0035 pages
Valid
GB/T 3839-1983 — Technological principle and methods for enactment of local water pollutant emission standard
National·Recommended
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$85.005 pages
Valid
GB/T 3873-1983 — General specifications for products packaging of communication equipments
National·Recommended
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$175.0020 pages
Valid
GB/T 3894.1-1983 — Shipbuilding -- Indication of details on arrangement plans of ships
National·Recommended
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$329.0012 pages
Valid
GB/T 3910-1983 — Office machines and data processing equipments. Line spacings and character spacings
National·Recommended
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$65.002 pages
Valid
GB/T 3911-1983 — Graphical representations of the control characters of 7-bit coded character set for information processing
National·Recommended
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$169.005 pages
Valid
GB/T 3929-1983 — Standard cells
National·Recommended
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$234.005 pages
Valid
GB/T 3933-1983 — Test conditions for milling machines with table of variable height - Testing of accuracy - Part 1: Machines with horizontal spindle
National·Recommended
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$195.0029 pages
Valid
GB/T 3939-1983 — Nomenclature and signs of main fishing gear material - Part 1: Netting twine
National·Recommended
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$165.009 pages
Valid
GB/T 3971.3-1983 — The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network
National·Recommended
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$229.0015 pages
Valid
GB/T 4022-1983 — Surface grinding machines with horizontal grinding wheel spindle and reciprocating table - Testing of the accuracy - Part 1: Machines with table surface length of up to 1 600 mm
National·Recommended
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$385.0017 pages
Valid
GB/T 4087.1-1983 — Statistical interpretation of data -- One-sided confidence lower limit of reliability for binomial distribution
National·Recommended
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$1,104.0045 pages
Valid
GB/T 4110-1983 — Pulse code modulation communication system hierarchy
National·Recommended
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$55.0015 pages
Valid
GB/T 597-1983 — Marine bronze male thread lift check valves
National·Recommended
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$144.003 pages
Valid
GB/T 3000-1982 — Dense shaped refractory products -- Determination of permeability to gases
National·Recommended
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$144.006 pages
Valid
GB/T 3103.2-1982 — Tolerances for fasteners. Bolts, screws and nuts for fine mechanics
National·Recommended
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$105.006 pages
Valid
GB/T 3104-1982 — Fasteners. Widths across flats of hexagon products
National·Recommended
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$65.001 pages
Valid
GB/T 3144-1982 — Toluene. Determination of hydrocarbon impurities. Gas chromatographic method
National·Recommended
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$169.005 pages
Valid
GB/T 3146-1982 — Industrial aromatic hydrocarbons and related materials -- Determination of distillation range -- Part 1: Distillation method
National·Recommended
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$135.0011 pages
Valid
GB/T 3238-1982 — Acoustical levels and refrence quantities
National·Recommended
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$65.002 pages
Valid
GB/T 3239-1982 — Expression of physical and subjective magnitudes of sound and noise in air
National·Recommended
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$164.004 pages
Valid
GB/T 3240-1982 — Preferred frequencies for the acoustical measurement
National·Recommended
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$124.002 pages
Valid
GB/T 3290-1982 — Dimensions and characteristics of magnetic tape reel for information interchange
National·Recommended
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$199.006 pages
Valid
GB/T 3307-1982 — Method of heater intermittent test of low-power electronic tubes
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$165.0015 pages
Valid
GB/T 3351-1982 — Designations for synthetic quartz crystals
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$65.001 pages
Valid
GB/T 3361-1982 — Statistical interpretation of data. Comparison of two means in the case of paired observations
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$264.006 pages
Valid
GB/T 3380-1982 — Ringing and tone for telephone automatic switching network
National·Recommended
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$70.0015 pages
Valid
GB/T 3383-1982 — Telecommunication transmission unit--Decibel
National·Recommended
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$65.0015 pages
Valid
GB/T 3398-1982 — Plastics -- Determination of hardness -- Part 1: Ball indentation method
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$25.006 pages
Valid
GB/T 3399-1982 — Test method for thermal conductivity of plastics by means of the guarded hot plate
National·Recommended
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$155.007 pages
Valid
GB/T 3403-1982 — Plastics -- Urea-formaldehyde and urea/melamine-formaldehyde powder moulding compounds (UF-and UF/MF-PMCs) -- Part 1: Designation system and basis for specifications
National·Recommended
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$70.006 pages
Valid
GB/T 3451-1982 — Standard tuning frequency
National·Recommended
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$124.002 pages
Valid
GB/T 3455-1982 — Electrical characteristics for unbalanced double-current interchange circuits
National·Recommended
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$169.005 pages
Valid
GB/T 2432-1981 — Gasoline--Determination of tetraethyl lead content. Complexometric titration method
National·Recommended
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$80.007 pages
Valid
GB/T 2541-1981 — Petroleum products--Computation table for viscosity indices
National·Recommended
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$12,650.00708 pages
Valid
GB/T 2625-1981 — Process detection and controlflow chart--Symbols and letter codes
National·Recommended
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$125.0015 pages
Valid
GB/T 2683-1981 — Test chart for facsimile transmission
National·Recommended
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$55.0015 pages
Valid
GB/T 2689.1-1981 — Constant stress life tests and acceleration life tests. General rules
National·Recommended
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$164.004 pages
Valid
GB/T 2689.2-1981 — Life test and acceleration life test charts. Evaluation of their Weibull distributions
National·Recommended
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$264.006 pages
Valid
GB/T 2689.3-1981 — Life test and acceleration life test. Simple linear deflection-free. Evaluation of Weibull distributions
National·Recommended
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$234.005 pages
Valid
GB/T 2689.4-1981 — Life test and acceleration life test. Optimal linear deflection-free. Evaluation of Weibull distributions
National·Recommended
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$264.006 pages
Valid
GB/T 2880-1981 — Hydraulic fluid power--Cylinder rod and piston seals for reciprocating applications--Dimensions andtolerances of housings--Narrow section series
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$115.0015 pages
Valid
GB/T 1762-1980 — Method of test for after-tack of paint films
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$65.004 pages
Valid
GB/T 1900-1980 — National food safety standards of food additives dibutyl hydroxy toluene (BHT)
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$164.006 pages
Valid
GB/T 1989-1980 — Methods for indication of the 7-bit encoding character set for information processing switching on 12.7mm magnetic tape
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$89.003 pages
Valid
GB/T 2020-1980 — Recording magnetic tape with 9 magnetic tracks, 12.7mm width and 32 lines/mm for information processing exchange
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$199.006 pages
Valid
GB/T 2312-1980 — Code of Chinese graphic character setfor information interchange--Primary set
National·Recommended
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$2,225.00129 pages