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Standards GB - Chinese national standards - Page 8316
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 5876-1986
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Recording head gaps for four magnetic sound records on 35mm motion-picture film containing no picture-position and width dimensions
WITHDRAWN published on 1.1.1986
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GB 5877-1986
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Recording head gaps for six magnetic sound records on 35mm motion-picture film containing no picture--Position and width dimensions
WITHDRAWN published on 1.1.1986
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GB 5878-1986
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WITHDRAWN published on 1.1.1986
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GB 5879-1986
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Measurement method of basic characteristics of projection screen for motion-picture
WITHDRAWN published on 1.1.1986
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GB/T 5879-1986
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Measurement method of basic characteristics of projection screen for motion-picture
WITHDRAWN published on 27.2.1986
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GB 588-1984
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WITHDRAWN published on 1.1.1984
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GB/T 588-1993
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Marine bronze flanged stop check valves
WITHDRAWN published on 24.5.1993
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GB 5880-1986
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Measurement method and technical requirement of stray light of screen for the projection of motion-picture film in indoor theatres and review rooms
WITHDRAWN published on 1.1.1986
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GB/T 5880-1986
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Measurement method and technical requirement of stray light of screen for the projection of motion-picture film in indoor theatres and review rooms
WITHDRAWN published on 27.2.1986
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GB/T 5881-1986
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Sampling method of physical and chemical properties of ramie fiber
WITHDRAWN published on 21.1.1986
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