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Standards GB - Chinese national standards - Page 8781
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 6624-1986
WITHDRAWN
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Standard method for measuring the surface quality of polished silicon wafers by visual examination
WITHDRAWN published on 1.1.1986
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GB/T 6624-1995
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Standard method for measuring the surface quality of polished silicon slices by visual inspection
WITHDRAWN published on 18.4.1995
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GB/T 6625-1986
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Test methods for nitrogen content of nitrogen-doped getter
WITHDRAWN published on 25.7.1986
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GB/T 6626.1-1986
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Test methods for the characteristics of getter-mercury dispenser—Test methods for mercury yield characteristic of getter-mercury dispenser
WITHDRAWN published on 26.7.1986
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GB/T 6626.2-1986
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Test methods for the characteristics of getter-mercury dispenser—Test method for mercury content of getter-mercury dispenser
WITHDRAWN published on 26.7.1986
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GB/T 6626.3-1986
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Test methods for the characteristics of getter-mercury dispenser—Test method for gas emission of getter-mercury dispenser
WITHDRAWN published on 26.7.1986
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GB/T 6626.4-1986
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Test methods for the characteristics of getter-mercury dispenser Method for peel off test of getter-mercury dispenser
WITHDRAWN published on 26.7.1986
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GB 6628-1986
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Lumbered synthetic quartz crystal
WITHDRAWN published on 1.1.1986
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GB/T 6628-1996
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Lumbered synthetic quartz crystal
WITHDRAWN published on 9.9.1996
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GB 6629-1986
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Salted jelly fish and salted jelly fish head
WITHDRAWN published on 1.1.1986
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