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International Standard Category: Other mining equipment |
Category No.: | 73.100.99 | Valid Status: | superseded |
Issued Organization: | Ministry of Coal Industry | Issued Date: | 1997-11-10 |
Implemented Date: | 1998-4-1 | Abolished Date: | |
Superseded Standard.: | MT/T 661-2011 General technique condition for electric apparatus used underground mine |
Superseded Date: | 2011-9-1 |
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