ARRANGEMENT FOR TAMPING-OUT PITS
SALNIKOV BORIS A,SU, DIMANT VIKTOR L,SU, CHAJKOVSKIJ IGOR I,SU, CHAJKOVSKIJ NIKOLAJ G,SU, PEKHOV NIKOLAJ D,SU, TARASOV ALBERT M,SU
Year of Publication 07.10.1983
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Year of Publication 07.10.1983
Patent