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摘要
申请公布号
FR2333752(B1)
申请公布日期
1982.11.19
申请号
FR19760036606
申请日期
1976.12.03
申请人
USS ENGINEERS CONSULTANTS
发明人
分类号
C01F5/24;B01D53/48;C01B17/60;C01F5/06;C01F11/18;C10K1/26;(IPC1-7):01F5/06;01B17/92;10K1/26
主分类号
C01F5/24
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代理人
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