Browse Standards
Found: 124704 — page 2584 of 2598
Valid
GB/T 7476-1987 — Water quality. Determination of calcium. EDTA titrimetric method
National·Recommended
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$164.004 pages
Valid
GB/T 7477-1987 — Water quality. Determination of the sum of calcium and magnesium. EDTA titrimetric method
National·Recommended
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$164.004 pages
Valid
GB/T 7480-1987 — Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
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$100.0015 pages
Valid
GB/T 7484-1987 — Water quality--Determination of fluoride--Ion selective electrode method
National·Recommended
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$30.0015 pages
Valid
GB/T 7485-1987 — Water quality. Determination of total arsenic. Silver diethyldithiocarbamate spectrophotometric method
National·Recommended
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$95.004 pages
Valid
GB/T 7489-1987 — Water quality. Determination of dissolved oxygen. Iodometric method
National·Recommended
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$234.005 pages
Valid
GB/T 7492-1987 — Water quality--Determination ofBHC and DDT--Gas chromatography
National·Recommended
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$199.0015 pages
Valid
GB/T 7493-1987 — Water quality. Determination of nitrogen (nitrite). Spectrophotometric method
National·Recommended
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$30.004 pages
Valid
GB/T 7494-1987 — Water quality. Determination of anionic surfactants. Methylene blue spectrophotometric method
National·Recommended
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$199.006 pages
Valid
GB/T 7509-1987 — Blank detail specification for microprocessor semiconductor integrated circuits
National·Recommended
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$404.008 pages
Valid
GB/T 7514-1987 — Conversion between the 7-bit coded character set for information processing interchange and the 5-unit code for the telegraph service
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$199.001 pages
Valid
GB/T 7515-1987 — Information processing. Coding of machine readable characters (MICR and OCR)
National·Recommended
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$105.008 pages
Valid
GB/T 7554-1987 — Protected 5-unit numerical code for telegram service
National·Recommended
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$169.0015 pages
Valid
GB/T 7583-1987 — Acoustics. Pure tone air conduction threshold audiometry. For hearing conservation purposes
National·Recommended
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$229.007 pages
Valid
GB/T 7584-1987 — Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation
National·Recommended
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$429.0016 pages
Valid
GB/T 7589-1987 — Code of chinese ideograms set for information interchange. The 2nd supplementary set
National·Recommended
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$355.0026 pages
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
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$855.0039 pages
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
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
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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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$75.005 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
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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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$164.004 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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$60.005 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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$60.005 pages
Valid
GB/T 7632-1987 — Recommendations for the choice of lubricants for machine tools
National·Recommended
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$95.004 pages
Valid
GB/T 7691-1987 — General rules for safety management of coating operations
National·Recommended
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$254.009 pages
Valid
GB/T 7713-1987 — Information and documentation - Presentation of documentation - Part 1: Theses and dissertations
National·Recommended
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$494.0018 pages
Valid
GB/T 7727.2-1987 — General terminology for ships. General design
National·Recommended
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$584.0011 pages
Valid
GB/T 7727.3-1987 — General terminology for ships. Ship hydrostatics and hydrodynamics
National·Recommended
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$1,234.0026 pages
Valid
GB/T 7727.4-1987 — General terminology for ships. Structure, strength and vibration
National·Recommended
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$474.009 pages
Valid
GB/T 7749-1987 — Test method of cleavage strength of adhesive (metal to metal)
National·Recommended
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$95.0015 pages
Valid
GB/T 7750-1987 — The method of creep properties of adhesive in shear by tension loading (metal to metal)
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$144.003 pages
Valid
GB/T 7828-1987 — Reliability design reviews
National·Recommended
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$105.0015 pages
Valid
GB/T 7829-1987 — Procedure for fault tree analysis
National·Recommended
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$304.007 pages
Valid
GB/T 7897.1-1987 — Test methods of properties of mortar for ferrocement
National·Recommended
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$414.00PDF
Valid
GB/T 7898-1987 — Tonnage lever balance
National·Recommended
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$234.005 pages
Valid
GB/T 7911.1-1987 — High-pressure decorative laminates made from thermosetting resins impregnated sheets (HPL)
National·Recommended
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$734.0025 pages
Valid
GB/T 7917.1-1987 — Standard methods of hygienic test for cosmetics--Mercury
National·Recommended
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$65.0010 pages
Valid
GB/T 7917.2-1987 — Standard methods of hygienic test for cosmetics--Arsenic
National·Recommended
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$45.0010 pages
Valid
GB/T 7917.3-1987 — Standard methods of hygienic test for cosmetics--Lead
National·Recommended
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$95.0010 pages
Valid
GB/T 7917.4-1987 — Standard methods of hygienic test forcosmetics--Methanol
National·Recommended
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$65.0010 pages
Valid
GB/T 7918.1-1987 — Standard methods of microbiological examination for cosmetics--General rules
National·Recommended
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$65.0010 pages
Valid
GB/T 7918.3-1987 — Standard methods of microbiological examination for cosmetics--Fecal coliforms
National·Recommended
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$65.0010 pages
Valid
GB/T 7918.4-1987 — Standard methods of microbiologicalexamination for cosmetics--Pseudomonas aeruginosa
National·Recommended
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$65.0010 pages