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Standards GB - Chinese national standards - Page 7577
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 3836.5-1987
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Electrical apparatus for explosive atmospheres--Pressurized electrical apparatus ""p""
WITHDRAWN published on 18.6.1987
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GB 3836.5-2004
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Electrical apparatus for explosive gas atmosphere—Part 5:Pressurized enclosures"p"
WITHDRAWN published on 14.5.2004
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GB/T 3836.5-2017
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Explosive atmospheres—Part 5:Equipment protection by pressurized enclosure"p"
WITHDRAWN published on 31.7.2017
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GB 3836.6-1987
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Electrical apparatus for explosive atmospheres--Oil immersed electrical apparatus ""o""
WITHDRAWN published on 18.6.1987
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GB 3836.6-2004
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Electrical apparatus for explosive gas atmospheres—Part 6:Oil-immersion"o"
WITHDRAWN published on 14.5.2004
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GB 3836.7-1987
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Electrical apparatus for explosive atmospheres--Sand filled electrical apparatus""q""
WITHDRAWN published on 18.6.1987
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GB 3836.7-2004
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Electrical apparatus for explosive gas atmospheres—Part 7:Powder filling"q"
WITHDRAWN published on 14.5.2004
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GB 3836.8-1987
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Electrical apparatus for explosive atmospheres--Non-sparking electrical apparatus "n"
WITHDRAWN published on 18.6.1987
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GB 3836.8-2003
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Electrical apparatus for explosive gas atmospheres—Part 8:Type of protection “n”
WITHDRAWN published on 26.5.2003
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GB 3836.8-2014
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Explosive atmospheres—Part 8:Equipment protection by type of protection “n”
WITHDRAWN published on 5.12.2014
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