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Standards GB - Chinese national standards - Page 5906
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 13305-2008
WITHDRAWN
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Micrographic method for determining area content of the -phases in stainless steels
WITHDRAWN published on 19.8.2008
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GB/T 13306-1991
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Plates
WITHDRAWN published on 14.12.1991
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GB/T 13307-1991
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Industrial pre-crimped wire screens (square opening series)
WITHDRAWN published on 14.12.1991
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GB 13308-1998
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Safety requirement for lifting pulley blocks
WITHDRAWN published on 30.7.1998
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GB/T 13309-1991
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Specification for mechanical vibration generator system
WITHDRAWN published on 13.12.1991
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GB/T 13310-1991
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Specification for electrodynamic vibration generator system
WITHDRAWN published on 13.12.1991
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GB/T 13311-1991
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Boiler pressure parts—Mechanical test for welded joints
WITHDRAWN published on 13.12.1991
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GB/T 13312-1991
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The standard method of identification of degreasing degree on the steel surfaces before covering organic coatings (test paper method)
WITHDRAWN published on 13.12.1991
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GB/T 13313-1991
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Method of Shore hardness testing for mill rolls
WITHDRAWN published on 13.12.1991
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GB/T 13314-1991
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General specifications of forged steel working rolls for cold rolling
WITHDRAWN published on 13.12.1991
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