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| International Standard Category: Other mining equipment |
GB/T 15335-2019 Determination of leakage rate and specific resistance for air duct
风筒漏风率和风阻的测定方法 ;
| Category No.: | 73.100.99 | Valid Status: | valid |
| Issued Organization: | SAMR and SAC | Issued Date: | 2019-06-04 |
| Implemented Date: | 2020-1-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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