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发明名称
摘要
申请公布号
FR2240757(B1)
申请公布日期
1982.02.19
申请号
FR19740027804
申请日期
1974.08.09
申请人
SPIESS ET SOHN C F
发明人
分类号
C22B11/00;B01D49/00;B01D53/32;B01J6/00;B01J19/12;C02F1/32;C02F1/72;C02F1/74;(IPC1-7):01J1/10
主分类号
C22B11/00
代理机构
代理人
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地址
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