Mining equipment. Self-advancing support. Recommendations on the quality of steel used in the manufacture of pit prop trunks
German title
STEINKOHLENBERGWERKSAUSRUESTUNG. SCHREITENDER AUSBAU. EMPFEHLUNGEN FUER DIE QUALITAET DER IN DER HERSTELLUNG DER GRUBENSTEMPELFAESSER VERWENDETEN STAHLARTEN
Publication date
1983-09-01
Original language
French
Pages
9
Publication date
1983-09-01
Original language
French
Pages
9
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