AFNOR - M81-402
Mining equipment. Self-advancing support. Recommendations on the quality of steel used in the manufacture of pit prop trunks.
active, Most Current
| Organization: | AFNOR |
| Publication Date: | 1 September 1983 |
| Status: | active |
| Page Count: | 9 |
| ICS Code (Tunnelling and tubing equipment): | 73.100.10 |
Document History
M81-402
September 1, 1983
Mining equipment. Self-advancing support. Recommendations on the quality of steel used in the manufacture of pit prop trunks.
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