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发明名称
摘要
申请公布号
JPS6432797(U)
申请公布日期
1989.03.01
申请号
JP19870128187U
申请日期
1987.08.24
申请人
发明人
分类号
C02F1/46;(IPC1-7):C02F1/46
主分类号
C02F1/46
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代理人
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