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发明名称
摘要
申请公布号
JPS5382867(U)
申请公布日期
1978.07.08
申请号
JP19760167924U
申请日期
1976.12.11
申请人
发明人
分类号
C02F1/40;B01D21/18;(IPC1-7):B01D21/18
主分类号
C02F1/40
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代理人
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