Superseded
Standard
Historical
DIN 21920-1:1988-11
Mine plans; petrography; generally applicable symbols; sediments
Summary
Bergmännisches Rißwerk; Petrographie; Allgemeingültige Zeichen; Sedimente
Technical characteristics
| Publisher | Deutsche Institut für Normung e.V. (DIN) |
| Publication Date | 11/01/1988 |
| Page Count | 8 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
01/03/2013
Active
Most Recent
01/11/2011
Superseded
Historical
01/11/1988
Superseded
Historical