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| International Standard Category: Other mining equipment |
GB 50451-2008 Code for design of puming station and pipeline of under coal mine
煤矿井下排水泵站及排水管路设计规范;
| Category No.: | 73.100.99 | Valid Status: | superseded |
| Issued Organization: | AQSIQ; MOC | Issued Date: | 2008-10-15 |
| Implemented Date: | 2009-3-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 50451-2017 Code for design of pumping station and pipeline under coal mine |
Superseded Date: | 2017-7-1 |
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