Browse Standards
Found: 106000 — page 2199 of 2209
Valid
GB/T 7340-1987 — Fixed resistors for use in electronic equipment. Part 6: Blank detail specification: Fixed resistor networks with individually measurable resistor of either different resistance values or different rated dissi
National·Recommended
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$334.007 pages
Valid
GB/T 7341-1987 — Electroacoustics -- Audiological equipment -- Part 1: Pure-tone audiometers
National·Recommended
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$469.0019 pages
Valid
GB/T 7347-1987 — The standard spectrum of Chinese speech
National·Recommended
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$55.0015 pages
Valid
GB/T 7371-1987 — Trichloromonofluoromethane for industrial uses
National·Recommended
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$80.003 pages
Valid
GB/T 7372-1987 — Dichlorodifluoromethane for industrial uses
National·Recommended
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$95.004 pages
Valid
GB/T 7401-1987 — Method of subjective assessment of quality of colour TV pictures
National·Recommended
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$85.007 pages
Valid
GB/T 7404-1987 — Lead-acid battery for locomotives and rolling stock -- Part 1: Valve-regulate lead acid for electric and subway locomotives
National·Recommended
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$394.0013 pages
Valid
GB/T 7410-1987 — Vitreous and porcelain enamels - Terminology - Part 1: Terms and definitions
National·Recommended
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$1,534.0052 pages
Valid
GB/T 7414-1987 — Seed packing of main agricultural crops
National·Recommended
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$135.0010 pages
Valid
GB/T 7419-1987 — Information processing. Implementation of the 7-bit coded character set and its 7-bit and 8-bit extensions on 3.81mm magnetic tape cassette for data interchange
National·Recommended
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$39.002 pages
Valid
GB/T 7423.1-1987 — Heat sink of semiconductor devices--Generic specification
National·Recommended
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$95.0010 pages
Valid
GB/T 7423.2-1987 — Heat sink of semiconductor devices. Heat sink, Extruded shapes
National·Recommended
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$724.0014 pages
Valid
GB/T 7423.3-1987 — Heat sink of semiconductor devices. Heat sink, staggered fingers shapes
National·Recommended
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$1,204.0025 pages
Valid
GB/T 7436-1987 — Specifications of TDM equipment operating on analog telephone-type circuit for telegraph and lower-speed data
National·Recommended
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$225.0015 pages
Valid
GB/T 7466-1987 — Water quality--Determination of total chromium
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$135.0010 pages
Valid
GB/T 7467-1987 — Water quality--Determination of chromium(VI)--1, 5 Diphenylcarbohydrazide spectrophotometric method
National·Recommended
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$85.0015 pages
Valid
GB/T 7469-1987 — Water quality. Determination of total mercury. Potassium permanganate-potassium persulfate decomposed method. Dithizone spectrophotometric method
National·Recommended
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$164.004 pages
Valid
GB/T 7470-1987 — Water quality. Determination of lead. Spectrophotometric method with dithizone
National·Recommended
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$144.003 pages
Valid
GB/T 7471-1987 — Water quality. Determination of cadmium. Spectrophotometric method with dithizone
National·Recommended
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$194.004 pages
Valid
GB/T 7472-1987 — Water quality--Determination of zinc--Spectrophotometric method with dithizone
National·Recommended
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$95.0010 pages
Valid
GB/T 7475-1987 — Water quality. Determination of copper, zinc, lead and cadmium. Atomic absorption spectrometry
National·Recommended
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$85.006 pages
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 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 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
National·Recommended
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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
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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 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