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发明名称
摘要
申请公布号
JPH0499293(U)
申请公布日期
1992.08.27
申请号
JP19910012705U
申请日期
1991.02.13
申请人
发明人
分类号
B01D61/14;B01D61/22;C02F1/44;C02F3/00;C02F3/12;C02F3/30;(IPC1-7):C02F3/00
主分类号
B01D61/14
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代理人
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地址
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