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发明名称
摘要
申请公布号
JPH0390688(U)
申请公布日期
1991.09.17
申请号
JP19890151103U
申请日期
1989.12.29
申请人
发明人
分类号
B01D63/14;C02F1/28;C02F1/44;(IPC1-7):C02F1/28
主分类号
B01D63/14
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代理人
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