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Standards GB - Chinese national standards - Page 5732
Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
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GB/T 12626.7-1990
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Hard fibreboard—Determination of density
WITHDRAWN published on 26.12.1990
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GB/T 12626.8-1990
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Hard fibreboard—Determination of water absorption
WITHDRAWN published on 26.12.1990
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GB/T 12626.9-1990
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Hard fibreboard—Determination of bending strength
WITHDRAWN published on 26.12.1990
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GB/T 12628-1990
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Generic specification for hard disk drive
WITHDRAWN published on 28.12.1990
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GB/T 12629-1990
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Thin epoxide woven glass fabric copper-clad laminated sheet of defined flammability for use in the fabrication of multilayer printed boards
WITHDRAWN published on 28.12.1990
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GB/T 1263-1986
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Chemical reagent—Disodium hydrogen phosphate dodecahydrate
WITHDRAWN published on 13.8.1986
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GB/T 12631-1990
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Test method for resistance of conductor of printed boards
WITHDRAWN published on 28.12.1990
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GB/T 12632-1990
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General specification of single silicon solar cells
WITHDRAWN published on 28.12.1990
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GB/T 12637-1990
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General specification for solar simulator
WITHDRAWN published on 28.12.1990
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GB 12638-1990
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Safety requirements of radiation for microwave and ultrashort wave communication equipment
WITHDRAWN published on 28.12.1990
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