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International Standard Category: Volumetric equipment and measurements |
Category No.: | 75.180.30 | Valid Status: | superseded |
Issued Organization: | AQSIQ,SAC | Issued Date: | 2008-2-2 |
Implemented Date: | 2008-8-1 | Abolished Date: | |
Superseded Standard.: | GB/T 21391-2022 Measurement of natural gas flow by turbine gas meters |
Superseded Date: | 2022-11-1 |
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