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Standards GB - Chinese national standards - Page 6773
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 19657-2005
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Heat test source (H.T.S.) lamps for carrying out heating tests on luminaires
WITHDRAWN published on 18.1.2005
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GB/T 19658-2005
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Method of measurement of center beam intensity and beam angle(s) of reflector lamps
WITHDRAWN published on 18.1.2005
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GB 1966-1980
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Test method for apparent porosity and bulk density of porous ceramics
WITHDRAWN published on 1.1.1980
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GB/T 1966-1996
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Test method for apparent porosity and bulk density of porous ceramic
WITHDRAWN published on 13.9.1996
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GB/T 19661.2-2005
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Safety requirements for nuclear instrumentations and systems—Part 2:Requirements of protection from radioactivity
WITHDRAWN published on 24.1.2005
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GB/T 19663-2005
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Terms for lighting protection of information system
WITHDRAWN published on 27.1.2005
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GB/T 19665-2005
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General specification for electronic infrared imaging thermometer of body skin
WITHDRAWN published on 2.2.2005
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GB/T 19666-2005
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Flame retardant and fire resistant wires and cables
WITHDRAWN published on 6.2.2005
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GB/T 19668.1-2005
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Information system project surveillance specification—Part 1:General rules
WITHDRAWN published on 18.2.2005
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GB/T 19668.2-2007
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Information system project surveillance specification—Part 2:Generic cabling system project surveillance specification
WITHDRAWN published on 24.8.2007
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