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发明名称
摘要
申请公布号
JPH046879(Y2)
申请公布日期
1992.02.25
申请号
JP19880074483U
申请日期
1988.06.03
申请人
发明人
分类号
C02F1/44;B01D65/02;(IPC1-7):C02F1/44
主分类号
C02F1/44
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代理人
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