DIN 21941 [Withdrawn] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 21901 | 1984-02 | Mine plans; structure and list of standards; general principles More |
| DIN 22011 | 1993-11 | Investigations of the raw material in hard-coal-mining; treatment of exploratory drillings More |
| DIN 22015 | 1993-10 | Investigations of the raw material in hardcoal-mining; macroscopic classification and description of overburden rock More |
