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GB - Chinese national standards - Page 8420

Standards GB - Chinese national standards - Page 8420

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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Preview GB 6424-1986 1.1.1986

GB 6424-1986 WITHDRAWN

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Preview GB/T 6424-1997 3.6.1997

GB/T 6424-1997 WITHDRAWN

Specification for flat plate solar collectors

WITHDRAWN published on 3.6.1997

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Preview GB/T 6424-2007 8.11.2007

GB/T 6424-2007 WITHDRAWN

Flat plate solar collectors

WITHDRAWN published on 8.11.2007

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Preview GB/T 6425-1986 27.5.1986

GB/T 6425-1986 WITHDRAWN

Nomenclature for thermal analysis

WITHDRAWN published on 27.5.1986

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Preview GB 6426-1986 1.1.1986

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WITHDRAWN published on 1.1.1986

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Preview GB/T 6426-1999 19.5.1999

GB/T 6426-1999 WITHDRAWN

Quasi-static test method for ferroelectric hysteresis loop of ferroelectric ceramics

WITHDRAWN published on 19.5.1999

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Preview GB 6427-1986 1.1.1986

GB 6427-1986 WITHDRAWN

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WITHDRAWN published on 1.1.1986

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Preview GB/T 6427-1999 19.5.1999

GB/T 6427-1999 WITHDRAWN

Test method for frequency temperature stability of piezoelectric ceramic vibrator

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Preview GB 6428-1986 1.1.1986

GB 6428-1986 WITHDRAWN

Methods of the measurement for hydrogen thyratron tubes

WITHDRAWN published on 1.1.1986

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Preview GB/T 643-1988 20.9.1988

GB/T 643-1988 WITHDRAWN

Chemical reagent—Potassium permanganate

WITHDRAWN published on 20.9.1988

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