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Standards GB - Chinese national standards - Page 7020
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 18802.31-2016
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Low-voltage surge protective devices—Surge protective devices for specific application including d.c.—Part 31:Requirements and tests for SPDs in photovoltaic applications
WITHDRAWN published on 24.2.2016
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GB/T 18802.311-2007
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Components for low-voltage surge protective devices—Part 311:Specification for gas discharge tubes(GDT)
WITHDRAWN published on 30.1.2007
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GB/T 18802.331-2007
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Components for low-voltage surge protective devices—Part 331:Specification for metal oxide varistors(MOV)
WITHDRAWN published on 21.6.2007
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GB/Z 18803-2002
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Basic semantics register(BSR)
WITHDRAWN published on 9.8.2002
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GB/T 18804-2002
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Codes for types of means of transport
WITHDRAWN published on 9.8.2002
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GB/T 18804-2010
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Codes for types of means of transport
WITHDRAWN published on 14.1.2011
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GB/Z 18808-2002
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Information technology—Technical aspects of 130mm optical disk cartridge write-once recording format
WITHDRAWN published on 9.8.2002
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GB/T 18809-2002
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General specification for air ion measuring instruments
WITHDRAWN published on 8.10.2002
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GB 1881-1980
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Analysis of strontium oxide content in phosphorus concentrates and phosphorus minerals
WITHDRAWN published on 1.1.1980
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GB/T 18811-2002
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Basic glossary of electronic commerce
WITHDRAWN published on 9.8.2002
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