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Standards GB - Chinese national standards - Page 6690
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 2850-1992
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Standardized blocks of Rockwell hardness
WITHDRAWN published on 29.8.1992
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GB/T 2851.1-1990
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Sliding guide die sets for press tools—Diagonal pillar sets
WITHDRAWN published on 23.7.1990
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GB/T 2851.3-1990
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Sliding guide die sets for press tools—Back pillar sets
WITHDRAWN published on 23.7.1990
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GB/T 2851.4-1990
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Sliding guide die sets for press tools—Back pillar sets (narrow)
WITHDRAWN published on 23.7.1990
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GB/T 2851.5-1990
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Sliding guide die seta for press tools—Center pillar sets
WITHDRAWN published on 23.7.1990
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GB/T 2851.6-1990
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Sliding guide die sets for press tools—Center pillar sets (round)
WITHDRAWN published on 23.7.1990
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GB/T 2851.7-1990
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Sliding guide die sets for press tools—Four pillar die sets
WITHDRAWN published on 23.7.1990
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GB/T 28511.1-2012
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Integrated optical path devices based on planar lightwave circuit - Part 1Optical power splitter based on PLC technology
WITHDRAWN published on 29.6.2012
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GB/T 28511.2-2012
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Integrated optical path devices based on planar lightwave circuit—Part 2:DWDM filter based on AWG technology
WITHDRAWN published on 29.6.2012
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GB/T 2852.1-1990
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Ball slide die sets for press tools—Diagonal pillar sets
WITHDRAWN published on 23.7.1990
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