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发明名称
摘要
申请公布号
FR2359788(B1)
申请公布日期
1981.07.03
申请号
FR19770023278
申请日期
1977.07.28
申请人
BERGWERKSVERBAND GMBH
发明人
分类号
B01D53/04;C01B3/56;(IPC1-7):01B1/32
主分类号
B01D53/04
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