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Standards GB - Chinese national standards - Page 5606
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 15149.2-1998
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Performance and testing of teleprotection eguipment of power systems Part 2:Analogue comparison systems
WITHDRAWN published on 13.8.1998
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GB/T 1515-1979
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Method for determination of phosphorus content in manganese ores
WITHDRAWN published on 28.2.1979
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GB/T 15151.1-1994
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Generic specification for frequency counters
WITHDRAWN published on 6.7.1994
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GB/T 15151.2-1994
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Measuring methods for frequency counters
WITHDRAWN published on 6.7.1994
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GB/T 15152-1994
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Methods of judging degradation for interference to mobile radiocommunication in the presence of impulsive noise
WITHDRAWN published on 6.7.1994
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GB/T 15153.1-1998
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Telecontrol equipment and systems--Part 2:Operating conditions--Section 1:Power supply and electromagnetic compatibility
WITHDRAWN published on 13.8.1998
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GB/T 15156-1994
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Generic specification for piezoelectric ceramic transducing elements
WITHDRAWN published on 26.7.1994
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GB/T 15157.2-1998
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Connectors for frequencies below 3MHz for use with printed boards—Part 2:Detail specification for two—Part connectors with assessed quality, for printed boards, for basic grid of 2.54mm(0.1in) with common mounting features
WITHDRAWN published on 10.11.1998
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GB/T 15158-1994
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Series and style of connectors for radio and associated sound equipment
WITHDRAWN published on 26.7.1994
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GB/T 15159-1994
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Composite material strips of precious metals and their alloys
WITHDRAWN published on 11.5.1994
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