LAGGING FOR MINE WORKING FRAME SUPPORT
ANDRIENKO VIKTOR I,SU, ROZENBAUM MARK A,SU, SMELYANSKIJ YURIJ D,SU, PSHICHENKO ALEKSANDR V,SU, KRASKO NIKOLAJ I,SU
Year of Publication 07.12.1991
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Year of Publication 07.12.1991
Patent