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GB/T 27698.4-2023

Published

Test methods for the performance of heat exchangers and heat exchange elements—Part 4: Measurement of noise from air-cooled heat exchangers

Issued: 2023-05-23
Effective: 2023-05-23

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GB/T 22550-2023

Published

Leisure accommodation vehicles—Terminology

Issued: 2023-05-23
Effective: 2023-12-01

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GB 1352-2023

Published

Issued: 2023-05-23
Effective: 2023-12-01

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GB/T 42561-2023

Published

Information technology—Telecommunications and information exchange between systems—Technical requirements for real-time ethernet adaptation to time sensitive networking

Issued: 2023-05-23
Effective: 2023-12-01

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GB/T 42783-2023

Published

Integrity management of units

Issued: 2023-05-23
Effective: 2023-05-23

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GB/T 42522-2023

Published

Testing method for static air leakage rate of iron ore sintering system

Issued: 2023-05-23
Effective: 2023-12-01

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GB/T 42518-2023

Published

Bismuth germanate (BGO) crystal—Chemical analysis of trace elements—Glow discharge mass spectrometry

Issued: 2023-05-23
Effective: 2023-09-01

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GB/T 27698.1-2023

Published

Test methods for the performance of heat exchangers and heat exchange elements—Part 1:General requirements

Issued: 2023-05-23
Effective: 2023-05-23

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GB/T 8151.25-2023

Published

Methods for chemical analysis of zinc concentrates—Part 25:Determination of indium content—Flame atomic absorption spectrometry

Issued: 2023-05-23
Effective: 2023-12-01

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