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GB - Chinese national standards - Page 6381

Standards GB - Chinese national standards - Page 6381

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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Preview GB/T 28712.5-2012 3.9.2012
GB/T 28712.5-2012 WITHDRAWN

Types and basic parameters of head exchangers - Part 5Spiral heat exchangers

WITHDRAWN published on 3.9.2012

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Preview GB/T 28712.6-2012 3.9.2012
GB/T 28712.6-2012 WITHDRAWN

Type and basic parameters of heat exchanger - Part 6air cooled heat exchanger

WITHDRAWN published on 3.9.2012

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Preview GB/T 28713.1-2012 3.9.2012
GB/T 28713.1-2012 WITHDRAWN

Enhanced heat transfer elements used in tube-shell heat exchangers -Part 1Threaded tubes

WITHDRAWN published on 3.9.2012

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Preview GB/T 28713.2-2012 3.9.2012
GB/T 28713.2-2012 WITHDRAWN

Enhanced heat transfer elements used in tube-shell heat exchangers- Part 2Stainless steel corrugated tubes

WITHDRAWN published on 3.9.2012

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Preview GB/T 28713.3-2012 3.9.2012
GB/T 28713.3-2012 WITHDRAWN

Enhanced heat transfer elements used in tube-shell heat exchangers - Part 3Wavy tubes

WITHDRAWN published on 3.9.2012

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Preview GB/T 28714-2012 3.9.2012
GB/T 28714-2012 WITHDRAWN

Directive for technique of water metering

WITHDRAWN published on 3.9.2012

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Preview GB 28736-2012 5.11.2012
GB 28736-2012 WITHDRAWN

Minimum allowable values of energy efficiency and energy efficiency grades for arc welding machines

WITHDRAWN published on 5.11.2012

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IN STOCK
Preview GB/T 28766-2012 5.11.2012
GB/T 28766-2012 WITHDRAWN

Natural gas—Performance evaluation for on-line analytical systems

WITHDRAWN published on 5.11.2012

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Preview GB/T 2877-1981 21.1.1982
GB/T 2877-1981 WITHDRAWN

Hydraulic fluid power—Two-port slip-in cartridge valves cavities

WITHDRAWN published on 21.1.1982

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Preview GB/T 2877-2007 30.4.2007
GB/T 2877-2007 WITHDRAWN

Hydraulic fluid power—Two-port slip-in cartridge valves—Cavities

WITHDRAWN published on 30.4.2007

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