DIN 22012:1994-01
Investigations of the raw material in hard-coal-mining; macropetrographic classification and topographic survey of hard-coal and host rock

Standard No.

DIN 22012:1994-01

Release Date

1994

Published By

German Institute for Standardization

Latest

DIN 22012:1994-01

DIN 22012:1994-01 history

• 1994 DIN 22012:1994-01 Investigations of the raw material in hard-coal-mining; macropetrographic classification and topographic survey of hard-coal and host rock