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Standards GB - Chinese national standards - Page 6318
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 16849-1997
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Generic specification on optical fibre amplifiers
WITHDRAWN published on 28.5.1997
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GB/T 16849-2008
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Generic specification of optical fiber amplifier
WITHDRAWN published on 7.10.2008
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GB/T 1685-1982
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Rubber, vulcanized—Determination of stress relaxation in compression at normal and at elevated temperature
WITHDRAWN published on 12.3.1982
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GB/T 16850.1-1997
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Basic specification for optical fibre amplifier test methods—Part 1:Test methods for gain parameters
WITHDRAWN published on 28.5.1997
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GB/T 16850.2-1999
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Basic specification for optical fibre amplifier test methods—Part 2:Test methods for power parameters
WITHDRAWN published on 2.8.1999
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GB/T 16850.3-1999
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Basic specification for optical fibre amplifier test methods—Part 3:Test methods for noise figure parameters
WITHDRAWN published on 2.8.1999
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GB/T 16851-1997
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Sound systems for emergency purposes
WITHDRAWN published on 6.6.1997
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GB 16852.1-1997
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Diagnosis of occupational acute chemical poisoning-Part 1:General diagnostic guideline of occupational actue chemical poisoning
WITHDRAWN published on 16.6.1997
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GB 16852.2-1997
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Diagnosis of occupational acute chemical poisoning-Part 1:Diagnostic guideline of occupational actue obscure chemical poisoning
WITHDRAWN published on 10.6.1997
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GB 16852.6-2000
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Diagnosis of occupational acute chemical poisoning-Part 1:Diagnostic criteria of occupational actue toxic pulmonopathy
WITHDRAWN published on 30.9.2000
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