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Standards GB - Chinese national standards - Page 601
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 15940-2008
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Basic multiplexing structure for synchronous digital hierarchy signals
Standard published on 7.10.2008
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GB/T 15941-2008
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Requirements for Synchronous Digital hierarchy (SDH) Optical Fiber Cable Line Systems
Standard published on 10.4.2008
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GB/T 15943-1995
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Technical specification measuring method of broadcasting audio channel
Standard published on 21.12.1995
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GB 15944-1995
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Compilation specifications and cartographic symbols for 1250000 topographic maps
Standard published on 21.12.1995
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GB/T 15945-2008
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Power quality - Frequency deviation for power system
Standard published on 18.6.2008
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GB/T 15946-2008
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Higher performance protocal for the standard digital interface for programmable instrumentation - General
Standard published on 30.6.2008
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GB/T 15947-2011
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EDIFACT message design rules for EDI
Standard published on 29.7.2011
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GB/T 15950-2023
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Requirements for environmental radiation monitoring around near surface disposal site of radioactive solid waste
Standard published on 2.2.2023
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GB/T 15951-1995
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Mechanical coupler for measurements on bone vibrators
Standard published on 21.12.1995
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GB/T 15952-2010
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Electroacoustics - Specifications for personal sound exposure meters
Standard published on 1.12.2010
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