DIN 21920-7:1996-04
Mine plans - Petrography - Part 7: Potash and rock salt mining

Standard No.

DIN 21920-7:1996-04

Release Date

1996

Published By

German Institute for Standardization

Latest

DIN 21920-7:1996-04

DIN 21920-7:1996-04 history

• 1996 DIN 21920-7:1996-04 Mine plans - Petrography - Part 7: Potash and rock salt mining
• 1996 DIN 21920-7:1996 Mine plans - Petrography - Part 7: Potash and rock salt mining
• 0000 DIN 21920-7:1993
• 1984 DIN 21901:1984 Mine plans; structure and list of standards; general principles
• 0000 DIN 21900:1951