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Standards GB - Chinese national standards - Page 5556
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 11445.1-1989
WITHDRAWN
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Terminal equipments for domestic satellite communication earth stations--Technical requirements--Part 1: Frequency division multiplex terminal
WITHDRAWN published on 1.1.1989
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GB/T 11445.2-1989
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Terminal equipments for domestic satellite communication earth stations--Technical requirements--Part 2: Single channel per carrier terminal equipment
WITHDRAWN published on 1.1.1989
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GB 11446.1-1989
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Electronic grade water
WITHDRAWN published on 1.1.1989
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GB/T 11446.1-1997
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Electronic grade water
WITHDRAWN published on 1.9.1997
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GB 11446.10-1989
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Test method for total bacterial count in electronic grade water by membrane filters
WITHDRAWN published on 1.1.1989
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GB/T 11446.10-1997
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Test method for total bacterial count in electronic grade water by membrane filters
WITHDRAWN published on 1.9.1997
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GB 11446.11-1989
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Test method for total bacterial count in electronic grade water by plate culture
WITHDRAWN published on 1.1.1989
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GB/T 11446.11-1989
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Test method for total bacterial count in electronic grade water by plate culture
WITHDRAWN published on 24.3.1989
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GB 11446.2-1989
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Terms for electronic-grade water
WITHDRAWN published on 1.1.1989
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GB 11446.3-1989
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Generic rules for test methods of electronic grade water
WITHDRAWN published on 1.1.1989
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