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Standards GB - Chinese national standards - Page 267
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 13228-2015
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Test method of detonation velocity for industrial explosive
Standard published on 15.5.2015
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GB/T 13231-1991
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Calculated methods of carrying capacity for receiving and dispatching tracks at railway marshalling station(3-stage/3-yard)
Standard published on 31.10.1991
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GB/T 13234-2018
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Determination of energy savings in organizations
Standard published on 17.9.2018
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GB/T 13235.1-2016
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Petroleum and liquid petroleum products—Calibration of vertical cylindrical tanks—Part 1: Strapping method
Standard published on 14.6.2016
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GB/T 13235.2-1991
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Petroleum and liquid petroleum products--Volumetric calibration of vertical cylindrical metal tanks--Optical reference line method
Standard published on 6.11.1991
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GB/T 13235.3-1995
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Petroleumand liquid petroleum products--Volumetric calibration of vertical cylindrical metal tanks--Electro-optical distance-ranging internal method
Standard published on 21.12.1995
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GB/T 13236-2011
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Petroleum and liquid petroleum products - Equipment for measurement of liquid levels in storage tanks - Manual method
Standard published on 29.7.2011
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GB/T 13237-2013
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Cold rolled quality carbon structural steel sheets and strips
Standard published on 17.12.2013
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GB/T 13238-1991
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Copper-steel clad plates
Standard published on 6.11.1991
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GB/T 13240-2018
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Iron ore pellets for blast furnace feedstocks—Determination of the free-swelling index
Standard published on 14.5.2018
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