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Standards GB - Chinese national standards - Page 5789

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GB/T 12771-2000 WITHDRAWN

Welded stainless steel pipes for liquid delivery

WITHDRAWN published on 24.7.2000

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GB/T 12771-2008 WITHDRAWN

Welded stainless steel pipes for liquid delivery

WITHDRAWN published on 13.5.2008

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GB/T 12772-1999 WITHDRAWN

Cast iron pipes and fittings with flexible joint sewerage

WITHDRAWN published on 1.11.1999

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GB/T 12772-2008 WITHDRAWN

Cast iron pipesfittings and accessories with flexible joint sewerage for drainage

WITHDRAWN published on 11.9.2008

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GB/T 12773-1991 WITHDRAWN

Valve steel bars for internal combustion engines--Technical requirements

WITHDRAWN published on 22.3.1991

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GB/T 12773-2008 WITHDRAWN

Valve steel and superalloy bars for internal combustion engines

WITHDRAWN published on 30.5.2008

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GB/T 12774-1991 WITHDRAWN

General specification for coaxial line electrical dummy loads

WITHDRAWN published on 27.3.1991

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GB/T 12776-1991 WITHDRAWN

Limits and measurements of insertion loss of radio interference suppressors and methods of radio interference suppression for ignition system of vehicles, motorboats and spark-ignited engine-driver devices

WITHDRAWN published on 1.1.1991

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