Mine plans - Petrography - Part 7: Potash and rock salt mining.
STANDARD published on 1.4.1996
Designation standards: DIN 21920-7:1996-04
Publication date standards: 1.4.1996
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: German technical standard
Category: Technical standards DIN
Bergmännisches Rißwerk - Petrographie - Teil 7: Kali- und Steinsalzbergbau.