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Standards GB - Chinese national standards - Page 5848
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 13155-1991
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Audio records on 70mm motion-picture release prints with magnetic stripes—Recorded characteristics
WITHDRAWN published on 16.9.1991
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GB/T 13156-1991
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Architectural acoustics treatment for cinema auditoriums--Specifications
WITHDRAWN published on 1.1.1991
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GB/T 13159-1991
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Networking specifications for digital radio-relay systems
WITHDRAWN published on 16.9.1991
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GB 1316-1988
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Coating for optical element--Anti-reflection coating
WITHDRAWN published on 1.1.1988
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GB/T 13161-1991
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Direct reading, personal dose equivalent and/or doseequivalent rate monitors for X and gamma radiation
WITHDRAWN published on 3.9.1991
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GB/T 13161-2003
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Direct reading personal dose equivalent(rate)monitors for X and gamma radiation
WITHDRAWN published on 14.4.2003
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GB/T 13163-1991
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Radon and radondaughter meters and monitors—General requirements
WITHDRAWN published on 3.9.1991
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GB/T 13163.2-2005
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Radiation protection instrumentation—Radon and radon decay product measuring instruments—Part 2:Specific requirements for radon measuring instruments
WITHDRAWN published on 18.5.2005
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GB/T 13164-1991
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Submerged arc welding machine
WITHDRAWN published on 3.9.1991
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GB/T 13165-1991
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Determination for noise emitted by arc welding machines
WITHDRAWN published on 3.9.1991
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