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GB - Chinese national standards - Page 5792

Standards GB - Chinese national standards - Page 5792

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/T 12790-1991 11.4.1991

GB/T 12790-1991 WITHDRAWN

Method for identification of documents related to safety class 1E equipment and systems for nuclear power plants

WITHDRAWN published on 11.4.1991

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Preview GB 12791-1991 11.4.1991

GB 12791-1991 WITHDRAWN

Performance requirements and test methods for point ultraviolet flame detectors

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Preview GB/T 12792-1991 1.1.1991

GB/T 12792-1991 WITHDRAWN

Methods of measurement of impedance uniformity for radio-frequency cables

WITHDRAWN published on 1.1.1991

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Preview GB/T 12796-1991 15.4.1991

GB/T 12796-1991 WITHDRAWN

Generic specification for permanent ferrite magnets

WITHDRAWN published on 15.4.1991

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Preview GB/T 12797-1991 15.4.1991

GB/T 12797-1991 WITHDRAWN

Sectional specification for permanent ferrite magnets for use in micromotors

WITHDRAWN published on 15.4.1991

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Preview GB/T 12798-1991 15.4.1991

GB/T 12798-1991 WITHDRAWN

Axial lead cores made of magnetic oxides or iron powder

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Preview GB 12799-1991 29.4.1991

GB 12799-1991 WITHDRAWN

Safety and health requirements for oil resistant and waterproof clothing

WITHDRAWN published on 29.4.1991

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Preview GBN 128-1981 1.1.1981

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WITHDRAWN published on 1.1.1981

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Preview GBJ 128-1990 18.5.1990

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Specifications for construction and acceptance of vertical cylindrical welded steel petroleum strorage tanlk

WITHDRAWN published on 18.5.1990

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Preview GB 1280-1977 1.1.1977

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WITHDRAWN published on 1.1.1977

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