DIN 22019-1
DIN 22019-1
Investigations of the raw material in hard-coal-mining; determination of the particle-size-distribution <größer>20 µm by sieve-analysisstandard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1985
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/1985