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METHOD OF PRODUCING COMPLEX MINERAL TANNING AGENT
KUZNETSOV ALEKSANDR G,SU, CHESUNOV SERGEJ V,SU, VAULINA ANFIYA A,SU, ZHILTSOV YURIJ A,SU, SANKIN LEV B,SU, MAKAROV-ZEMLYANSKIJ YAKOV YA,SU
Year of Publication 23.10.1990
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Year of Publication 23.10.1990
Patent