
Mine plans; deep mining; underground workings.
NORMA vydána dne 1.2.1992
Designation standards: DIN 21913-1:1992-02
Publication date standards: 1.2.1992
The number of pages: 34
Approximate weight : 102 g (0.22 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Bergmännisches Rißwerk; Tiefbau; Grubenbaue.