黑龙江省黑河地区小新屯电石用大理岩矿床特征及找矿标志
흑룡강성흑하지구소신둔전석용대리암광상특정급조광표지
Characteristics and Ore - Finding Marks of Marble Deposit for Calcium Carbide Use at Xiaoxin Village in Heihe Region of Heilongjiang Province
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