Mine plans - Technical facilities.
STANDARD published on 1.12.2013
Designation standards: DIN 21915:2013-12
Publication date standards: 1.12.2013
The number of pages: 16
Approximate weight : 48 g (0.11 lbs)
Country: German technical standard
Category: Technical standards DIN
Bergmännisches Risswerk - Technische Einrichtungen.