MINE CORNER CONVEYER
LIDUKHOVSKIJ LEONARD,PL, MURA ALOJZY,PL, SLIVEK KHENRIK,PL, ZOK PAVEL,PL, STANISLAVSKIJ PETR,PL, SIKORA YAN,PL, SHINGEL STANISLAV,PL, MAER MIROSLAV,PL, SENDER ZDISLAV,PL, ROEK KHENRIKH,PL, SKOLIK VOJTSEK,PL, GAJDA BOGDAN,PL
Year of Publication 23.12.1989
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Year of Publication 23.12.1989
Patent