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Standards GB - Chinese national standards - Page 5450
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 10292-1988
WITHDRAWN
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Semiconductor rectifier equipments for telecommunicat-ions
WITHDRAWN published on 1.1.1988
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GB 10293-1988
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WITHDRAWN published on 1.1.1988
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GB/T 10294-1988
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Thermal insulation—Determination of steady-state thermal resistance and related properties—Guarded hot plate apparatus
WITHDRAWN published on 30.12.1988
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GB/T 10295-1988
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Thermal insulation—Determination of steady-state thermal resistance and related properties—Heat flow meter apparatus
WITHDRAWN published on 30.12.1988
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GB/T 10296-1988
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Thermal insulation—Determination of steady-state thermal transmission properties—Pipe insulation apparatus
WITHDRAWN published on 30.12.1988
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GB 10297-1988
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WITHDRAWN published on 1.1.1988
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GB/T 10297-1998
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Test method for thermal conductivity of nonmetal solid materials by hot-wire method
WITHDRAWN published on 8.5.1998
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GB 10298-1988
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Determination of transmission thermal properties of mineral wool production at high temperature
WITHDRAWN published on 1.1.1988
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GB/T 10299-1988
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Test method for hydrophobic nature of thermal insulation
WITHDRAWN published on 30.12.1988
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GBJ 103-1987
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Technical drawings-assembling drawings
WITHDRAWN published on 1.1.1987
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