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发明名称
VERWENDUNG VON TONMINERALIEN ZUR KLAERUNG VON ROH- UND/ODER ABWAESSERN
摘要
申请公布号
DE1642886(B2)
申请公布日期
1973.01.18
申请号
DE19681642886
申请日期
1968.02.15
申请人
发明人
分类号
B01D21/01;B01J20/10;C02F1/52;C02F1/54;(IPC1-7):C02B1/20
主分类号
B01D21/01
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