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| International Standard Category: Ventilation, air-conditioning and illumination equipment |
MT/T 845-1999 Technical specification of leakage detection withSF6 tracer gas in roadways of coal mines
煤矿巷道用SF6示踪气体检测漏风技术规范 ;
| Category No.: | 73.100.20 | Valid Status: | valid |
| Issued Organization: | 国家煤炭工业局 | Issued Date: | 1999-11-11 |
| Implemented Date: | 2000-3-15 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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