DIN 22012
Investigations of the raw material in hard-coal-mining; macropetrographic classification and topographic survey of hard-coal and host rock
active, Most Current
| Organization: | DIN |
| Publication Date: | 1 January 1994 |
| Status: | active |
| Page Count: | 9 |
| ICS Code (Coals): | 73.040 |
Document History
DIN 22012
January 1, 1994
Investigations of the raw material in hard-coal-mining; macropetrographic classification and topographic survey of hard-coal and host rock
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