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Standards GB - Chinese national standards - Page 6154
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 15000.2-1994
WITHDRAWN
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Directives for the work of reference materials(2) The common terms and definitions of reference materials
WITHDRAWN published on 11.3.1994
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GB/T 15000.3-1994
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Directives for the work of reference materials(3) General principles and statistic methods for certification of reference materials
WITHDRAWN published on 11.3.1994
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GB/T 15000.3-2008
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Directives for the work of reference materials(3)—Reference materials—General and statistical principles for certification
WITHDRAWN published on 7.3.2008
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GB/T 15000.4-1994
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Directives for the work of reference materiapls (4). Stipulation of contents for certificate of certified reference materials
WITHDRAWN published on 11.3.1994
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GB/T 15000.4-2003
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Directives for work of reference materials(4)—Contents of certificates and labels
WITHDRAWN published on 28.3.2003
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GB/T 15000.5-1994
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Directives for the work of reference materials(5)—Technologic rules for reference materials of chemical composition
WITHDRAWN published on 11.3.1994
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GB/T 15000.7-2001
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Directives for the work of reference materials(7)—General requirements for the competence of reference material producers
WITHDRAWN published on 6.9.2001
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GB/T 15000.7-2012
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Directives for the work of reference materials (7)—General requirements for the competence of reference material producers
WITHDRAWN published on 31.12.2012
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GB/T 15000.8-2003
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Directives for the work of reference materials(8)—Uses of certified reference materials
WITHDRAWN published on 28.3.2003
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GB/T 15000.9-2004
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Directives for the work of reference materials(9)—Calibration in analytical chemistry and use of certified reference materials
WITHDRAWN published on 31.12.2004
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