Browse Standards
Found: 136718 — page 2820 of 2849
Valid
GB 12379-1990 — Regulations of monitoring for environmental nuclear radiations
National·Mandatory
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$135.0010 pages
Valid
GB 12409-1990 — Geographic grid
National·Mandatory
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$145.0016 pages
Valid
GB 12525-1990 — Emission standards and measurement methods of railway noise on the boundary alongside railway line
National·Mandatory
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$199.004 pages
Valid
GB 12526-1990 — Specifications for long range electro-optical distance measurement
National·Mandatory
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$375.0030 pages
Valid
GB 12691-1990 — Air compressor oils
National·Mandatory
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$125.003 pages
Valid
GB 2536-1990 — Fluids for electrotechnical applications - Unused mineral insulating oils for transformers and switchgear
National·Mandatory
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$25.0020 pages
Valid
GB 2702-1990 — Safety boxes for explosives
National·Mandatory
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$40.004 pages
Valid
GB 3804.1-1990 — High voltage alternating current switches for rated voltage above 3.6 kV and less than 40.5 kV
National·Mandatory
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$1,154.0039 pages
Valid
GB 3804-1990 — High voltage alternating current switches for rated voltage above 3.6 kV and less than 40.5 kV
National·Mandatory
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$240.0043 pages
Valid
GB 439-1990 — Aviation jet engine lubricating oils
National·Mandatory
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$25.004 pages
Valid
GB 4657-1990 — Codes for the central party and state organs people's communities and the other state organizations
National·Mandatory
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$85.0024 pages
Valid
GB/T 10593.3-1990 — Methods of measuring environmental parameters for electric and electronic products. Treatment and induction for the vibration data
National·Recommended
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$334.007 pages
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
National·Recommended
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$415.0040 pages
Valid
GB/T 12166-1990 — Electrical characteristics of unbalanced voltage digital interface circuits
National·Recommended
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$165.0010 pages
Valid
GB/T 12200.1-1990 — Chinese information processing--Vocabulary--Part 01:Fundamental terms
National·Recommended
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$135.008 pages
Valid
GB/T 12213-1990 — Technical drawings for glassware
National·Recommended
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$105.00PDF
Valid
GB/T 12267-1990 — Marine navigational equipment--General requirements--Methods of testing and required test results
National·Recommended
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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
National·Recommended
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$65.008 pages
Valid
GB/T 12274-1990 — Quartz crystal controlled oscillators of assessed quality -- Part 1: Generic specification
National·Recommended
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$1,454.0063 pages
Valid
GB/T 12275-1990 — The rule of type designation for quartz crystal oscillators
National·Recommended
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$80.008 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
National·Recommended
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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
National·Recommended
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$175.007 pages
Valid
GB/T 12300-1990 — Test methods of safe operating area for power transistors
National·Recommended
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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
National·Recommended
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$144.003 pages
Valid
GB/T 12328-1990 — Legend and color standard for comprehensive engineering geological map
National·Recommended
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$435.0024 pages
Valid
GB/T 12329-1990 — Karst geology terminology
National·Recommended
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$754.0015 pages
Valid
GB/T 12345-1990 — Code of Chinese ideogram set for information interchange--Supplementary set
National·Recommended
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$530.0033 pages
Valid
GB/T 12357-1990 — Multimode optical fibres for telecommunication - Part 1: Sectional specification for category A1 multimode fibres
National·Recommended
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$165.0029 pages
Valid
GB/T 12366.1-1990 — Guideline for the work of complex standardization
National·Recommended
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$165.005 pages
Valid
GB/T 12369-1990 — Basic tooth profile of straight and skew bevel gears
National·Recommended
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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
National·Recommended
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$135.008 pages
Valid
GB/T 12403-1990 — Names and codes for the officials positions
National·Recommended
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$304.007 pages
Valid
GB/T 12408-1990 — Codes for social moonlights
National·Recommended
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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
National·Recommended
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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
National·Recommended
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$105.004 pages
Valid
GB/T 12436-1990 — Explosive--Determination of power--Lead block method
National·Recommended
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$89.008 pages
Valid
GB/T 12440-1990 — Explosive--Determination of brisance--Lead cylinder compression test
National·Recommended
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$105.008 pages
Valid
GB/T 12462-1990 — World ocean/sea area codes
National·Recommended
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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
National·Recommended
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$375.0021 pages
Valid
GB/T 12511-1990 — Fibre optic switches. Part 1: Generic specification
National·Recommended
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$864.0017 pages
Valid
GB/T 12512-1990 — Fibre optic attenuators. Part 1: Generic specification
National·Recommended
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$824.0016 pages
Valid
GB/T 12520-1990 — Offset cruciform recess for rotary fastening devices
National·Recommended
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$135.006 pages
Valid
GB/T 12534-1990 — Motor vehicles--General rules of road test method
National·Recommended
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$55.008 pages
Valid
GB/T 12537-1990 — Motor vehicles--Towing performance--Test method
National·Recommended
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$35.008 pages
Valid
GB/T 12545-1990 — Measurement methods of fuel consumption for automobiles -- Part 1: Measurement methods of fuel consumption for passenger cars
National·Recommended
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$175.0019 pages
Valid
GB/T 12559-1990 — The patternes series for artwork master of printed circuits
National·Recommended
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$195.0011 pages
Valid
GB/T 12565-1990 — Semiconductor devices--Sectional specification for optoelectronic devices
National·Recommended
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$135.008 pages
Valid
GB/T 12566-1990 — Interface for signal chain of sound and television broadcasting transmitting equipments
National·Recommended
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$95.008 pages