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Standards GB - Chinese national standards - Page 6237
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 15544.1-2013
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Short-circuit current calculation in three-phase a.c.systems—Part 1:Calculation of currents
WITHDRAWN published on 17.12.2013
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GB/T 15545-1995
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Unshaped refractory—Packing, marking, transportation and storage
WITHDRAWN published on 11.4.1995
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GB/T 15546-1995
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Terms of mill rolls
WITHDRAWN published on 11.4.1995
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GB/T 15547-1995
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Forged steel cold roll blanks
WITHDRAWN published on 11.4.1995
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GB/T 15548-1995
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General specification for three-phase synchronous generator driven by reciprocating internal combustion engine
WITHDRAWN published on 6.4.1995
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GB/T 15548-2008
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General specification for three-phase synchronous generators driven by reciprocating internal combustion engine
WITHDRAWN published on 30.6.2008
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GB/T 15549-1995
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Sensory analysis—Methodology—Initiation and training of assessors in the detection and recognition of odours
WITHDRAWN published on 19.4.1995
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GB 1555-1979
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WITHDRAWN published on 1.1.1979
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GB/T 1555-1997
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Test methods for determining the orientation of a semiconductor single crystal
WITHDRAWN published on 22.12.1997
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GB/T 1555-2009
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Testing methods for determining the orientation of a semiconductor single crystal
WITHDRAWN published on 30.10.2009
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