MINING ENTERPRISES, MINES, MINING INDUSTRY (MINING)
-
BTMINING
-
BTINDUSTRY
-
UDC622.012
-
Descriptor GERBERGBAUBETRIEBE, MONTANINDUSTRIE (BERGBAU)
-
Descriptor ENGMINING ENTERPRISES, MINES, MINING INDUSTRY (MINING)
-
Descriptor FREINDUSTRIE MINIÈRE (INDUSTRIE MINIÈRE)
-
Variant GERMONTANINDUSTRIE (BERGBAU)
-
Variant ENGMINING INDUSTRY (MINING)
-
NTMINES + ORE MINES (MINING)
-
NTMINING EQUIPMENT, MACHINE ENGINEERING PLANTS
-
NTHISTORY OF MINING