Browse Standards
Found: 126877 — page 2616 of 2644
Valid
GB/T 12162-1990 — X and gamma reference radiation for calibrating dosemeters and doserate meters and for determining their response as a function of photon energy - Part 1: Radiation characteristics and production methods
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$989.0040 pages
Valid
GB/T 12166-1990 — Electrical characteristics of unbalanced voltage digital interface circuits
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$165.0010 pages
Valid
GB/T 12200.1-1990 — Chinese information processing--Vocabulary--Part 01:Fundamental terms
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$140.008 pages
Valid
GB/T 12267-1990 — Marine navigational equipment--General requirements--Methods of testing and required test results
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$474.009 pages
Valid
GB/T 12272-1990 — Measuring method of radio-frequency high potential withstanding voltage for radio-frequency coaxial connectors
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$60.008 pages
Valid
GB/T 12274-1990 — Quartz crystal controlled oscillators of assessed quality -- Part 1: Generic specification
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$1,454.0063 pages
Valid
GB/T 12275-1990 — The rule of type designation for quartz crystal oscillators
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$75.008 pages
Valid
GB/T 12276-1990 — Fixed resistors for use in electronic equipment. Part 7: Sectional specification. Fixed resistor networks in which not all resistors are individually measurable
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$195.0010 pages
Valid
GB/T 12277-1990 — Fixed resistors for use in electronic equipment. Part 7: Blank detail specification. Fixed resistor networks in which not all resistors are individually measurable. Assessment level E
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$175.007 pages
Valid
GB/T 12300-1990 — Test methods of safe operating area for power transistors
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$164.004 pages
Valid
GB/T 12314-1990 — Sensory analysis method. Guidelines for the preparation of samples for which direct sensory analysis is not feasible
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$144.003 pages
Valid
GB/T 12328-1990 — Legend and color standard for comprehensive engineering geological map
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$435.0024 pages
Valid
GB/T 12329-1990 — Karst geology terminology
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$754.0015 pages
Valid
GB/T 12345-1990 — Code of Chinese ideogram set for information interchange--Supplementary set
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$620.0033 pages
Valid
GB/T 12357-1990 — Multimode optical fibres for telecommunication - Part 1: Sectional specification for category A1 multimode fibres
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$734.0029 pages
Valid
GB/T 12366.1-1990 — Guideline for the work of complex standardization
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$144.005 pages
Valid
GB/T 12369-1990 — Basic tooth profile of straight and skew bevel gears
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$85.003 pages
Valid
GB/T 12401-1990 — Specificationof antenna (including feed network) and servo system used in domestic satellitecommunication earth stations
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$135.008 pages
Valid
GB/T 12403-1990 — Names and codes for the officials positions
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$304.007 pages
Valid
GB/T 12408-1990 — Codes for social moonlights
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$474.009 pages
Valid
GB/T 12416.1-1990 — Glass - Hydrolytic resistance of glass grains at 12-degree Celcius - Method of test and classification
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$194.007 pages
Valid
GB/T 12416.2-1990 — Glass. Hydrolytic resistance of glass grains at 121 Celsius. Test method and classification
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$194.004 pages
Valid
GB/T 12436-1990 — Explosive--Determination of power--Lead block method
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$94.008 pages
Valid
GB/T 12440-1990 — Explosive--Determination of brisance--Lead cylinder compression test
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$105.008 pages
Valid
GB/T 12462-1990 — World ocean/sea area codes
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$164.004 pages
Valid
GB/T 12508-1990 — Alphanumeric character sets for optical recognition. Part 2: Character set OCR-B. Shapes and dimensions of the printed image
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$375.0021 pages
Valid
GB/T 12511-1990 — Fibre optic switches. Part 1: Generic specification
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$864.0017 pages
Valid
GB/T 12512-1990 — Fibre optic attenuators. Part 1: Generic specification
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$824.0016 pages
Valid
GB/T 12520-1990 — Offset cruciform recess for rotary fastening devices
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$264.006 pages
Valid
GB/T 12534-1990 — Motor vehicles--General rules of road test method
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$50.008 pages
Valid
GB/T 12537-1990 — Motor vehicles--Towing performance--Test method
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$30.008 pages
Valid
GB/T 12545-1990 — Measurement methods of fuel consumption for automobiles -- Part 1: Measurement methods of fuel consumption for passenger cars
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$624.0019 pages
Valid
GB/T 12559-1990 — The patternes series for artwork master of printed circuits
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$200.0011 pages
Valid
GB/T 12565-1990 — Semiconductor devices--Sectional specification for optoelectronic devices
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$140.008 pages
Valid
GB/T 12566-1990 — Interface for signal chain of sound and television broadcasting transmitting equipments
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$100.008 pages
Valid
GB/T 12575-1990 — Liquid fuel oils. Determination of vanadium content. Flameless atomic absorption spectroscopic method
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$85.003 pages
Valid
GB/T 12577-1990 — Refrigerator oils. Determination of floc point
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$125.004 pages
Valid
GB/T 12578-1990 — Lubricating oil. Determination of flow ability. U-tube method
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$85.003 pages
Valid
GB/T 12582-1990 — Liquid hydrocarbons. Determination of electrical conductivity. Precision meter
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$95.004 pages
Valid
GB/T 12601-1990 — Basic terminology of harmonic gear drive
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$130.0020 pages
Valid
GB/T 12613-1990 — Plain bearings -- Wrapped bushes -- Part 1: Dimensions
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$289.0011 pages
Valid
GB/T 12627-1990 — Generic specification for flexible disk drive
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$230.0013 pages
Valid
GB/T 12630-1990 — Thin epoxide woven glass fabric copper-clad laminated sheet, general purpose grade, For use in the fabrication of multilayer printed boards
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$109.004 pages
Valid
GB/T 12633-1990 — Terms for the measurements of the properties of the piezoelectric crystals
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$320.0017 pages
Valid
GB/T 12634-1990 — Test methods for electroelastic constants of piezoelectric crystals
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$230.0013 pages
Valid
GB/T 12635-1990 — Ceramic base body using in carbon film resistor
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$75.008 pages
Valid
GB/T 12636-1990 — Stripline test method for complexpermittivity of microwave dielectric substrates
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$135.008 pages
Valid
GB/T 12640-1990 — Methods of measurement for the digital microwave radio relay communication equipment
National·Recommended
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$435.0023 pages