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Standards GB - Chinese national standards - Page 5748
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 12664-2003
WITHDRAWN
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General specification for portable X-ray security inspection equipment
WITHDRAWN published on 24.6.2003
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GB/T 12665-1990
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Requirements of damp-heat testing of electrical machine for service in general environmental condition
WITHDRAWN published on 28.12.1990
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GB/T 12665-2008
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Requirements of damp-heat testing of electrical machine for service in general environmental condition
WITHDRAWN published on 13.6.2008
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GB/T 12666.1-1990
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Test method on electric wires or cables under fire conditions Part 1:General
WITHDRAWN published on 28.12.1990
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GB/T 12666.2-1990
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Test method on electric wires or cables under fire conditions--Part 2: Test on a single vertical insulated wire or cable
WITHDRAWN published on 1.1.1990
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GB/T 12666.3-1990
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Test method on electric wires or cables under fire conditions Part 3:Test on a single horizontal insulated wire or cable
WITHDRAWN published on 28.12.1990
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GB/T 12666.4-1990
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Test method on electric wires or cables under fire conditions Part 4:Test on a single slanting insulated wire or cable
WITHDRAWN published on 28.12.1990
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GB/T 12666.5-1990
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Test method on electric wires or cables under fire conditions--Part 5: Test on bunched wires or cables
WITHDRAWN published on 1.1.1990
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GB/T 12666.6-1990
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Test method on electric wires or cables under fire conditions--Part 6: Test on fire-resisting characteristics of wire or cable
WITHDRAWN published on 1.1.1990
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GB/T 12666.7-1990
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Test method on electric wires or cables under fire conditions--Part 7: Measurement on smoke density of wires or cables
WITHDRAWN published on 1.1.1990
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