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| International Standard Category: Optical measuring instruments |
MT 870-2000 Laser orientation instrument for coal mine
煤矿用防爆激光指向仪 ;
| Category No.: | 17.180.30 | Valid Status: | valid |
| Issued Organization: | 国家煤炭工业局 | Issued Date: | 2000-12-08 |
| Implemented Date: | 2001-5-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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