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| International Standard Category: Other mining equipment |
MT/T 679-1997 General technical condition of Rayleigh wave seismograph for mining
矿用瑞利波探测仪通用技术条件;
| Category No.: | 73.100.99 | Valid Status: | superseded |
| Issued Organization: | Ministry of Coal Industry | Issued Date: | 1997-12-30 |
| Implemented Date: | 1998-6-1 | Abolished Date: | |
| Superseded Standard.: | KA/T 15-2023 Rayleigh wave seismograph used in coal mine |
Superseded Date: | 2024-1-31 |
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