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发明名称
摘要
申请公布号
DE2032221(A1)
申请公布日期
1972.01.13
申请号
DE19702032221
申请日期
1970.06.30
申请人
ERIEZ MANUFACTURING VO
发明人
分类号
B01D21/00;B03C1/00;B03C1/02;C02F1/48;C02F1/52;(IPC1-7):01D17/06
主分类号
B01D21/00
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代理人
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