Superseded
Draft standard
Historical
DIN 21920-4:1992-10
Mine plans; petrography; minerals
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Summary
Bergmännisches Rißwerk; Petrographie; Minerale
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 10/01/1992 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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