NA 005

DIN Standards Committee Building and Civil Engineering

DIN 22011 [CURRENT] references following documents:

Document number Edition Title
DIN 20302 1974-02 Rock drilling equipment; terminology More 
DIN 22015 1993-10 Investigations of the raw material in hardcoal-mining; macroscopic classification and description of overburden rock More 
DIN 66132 1975-07 Determination of specific surface area of solids by adsorption of nitrogen; single-point diffenrential method according to Haul and Dümbgen More