NA 005
DIN Standards Committee Building and Civil Engineering
Technical rule
[CURRENT]
DIN 21913-1 Beiblatt 1
DIN 21913-1 Beiblatt 1
Mine plans; deep mining; underground workings; comments
Title (German)
Bergmännisches Rißwerk; Tiefbau; Grubenbaue; Erläuternde Angaben