NA 005

DIN Standards Committee Building and Civil Engineering

DIN 22012 [CURRENT] references following documents:

Document number Edition Title
DIN 22011 1993-11 Investigations of the raw material in hard-coal-mining; treatment of exploratory drillings More 
DIN 22015 1993-10 Investigations of the raw material in hardcoal-mining; macroscopic classification and description of overburden rock More