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发明名称
摘要
申请公布号
JPH0338194(U)
申请公布日期
1991.04.12
申请号
JP19890097150U
申请日期
1989.08.22
申请人
发明人
分类号
B01D19/00;B01D17/00;B01D17/025;B01D17/035;B01D17/04;C02F1/20;(IPC1-7):C02F1/20
主分类号
B01D19/00
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代理人
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