METHOD OF LOWERING SILICOSIS DANGER OF DUST
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Year of Publication 05.06.1980
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Year of Publication 05.06.1980
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ARRANGEMENT FOR SIDE-TRIMMING OF MINE WORKINGS
MALTSEV ALEKSANDR M,SU, RYZHKOV FILIPP N,SU, TE VIKTOR T,SU, SAMBROS EDUARD G,SU, ARTEMENKO ANATOLIJ P,SU, POPOV ANATOLIJ G,SU, ZHIRONKIN ALGERD F,SU, DROZD VITALIJ G,SU, STRAZDIN VITALIJ V,SU, ZATSEPIN ALEKSEJ A,SU
Year of Publication 07.06.1985
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Year of Publication 07.06.1985
Patent