RAW MATERIAL MIXTURE FOR MORTAR PREPARATION
BENSHTEJN YURIJ ,SU, KUZNETSOV VLADIMIR ,SU, MELNITSKIJ GRIGORIJ A,SU, SPIRINA VALENTINA D,SU, PETROV STANISLAV M,SU, GONCHAROV YURIJ N,SU
Year of Publication 15.02.1979
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Year of Publication 15.02.1979
Patent