ONORM G 1020-2-1998
Evaluation of deposits of industrial minerals and rocks - Geological description of deposits

Standard No.

ONORM G 1020-2-1998

Release Date

1998

Published By

AT-ON

Latest

ONORM G 1020-2-1998

ONORM G 1020-2-1998 history

• 1998 ONORM G 1020-2-1998 Evaluation of deposits of industrial minerals and rocks - Geological description of deposits