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发明名称
摘要
申请公布号
FR2451893(B1)
申请公布日期
1984.09.07
申请号
FR19790027556
申请日期
1979.11.08
申请人
WINTERSHALL AG
发明人
分类号
C02F1/40;B01D17/05;C02F1/68;C02F3/00;C02F3/34;C12P1/00;C12R1/32;C12R1/365;E02B15/10;(IPC1-7):02F3/00;02B15/04
主分类号
C02F1/40
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代理人
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