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发明名称
摘要
申请公布号
JPS6354496(U)
申请公布日期
1988.04.12
申请号
JP19860148444U
申请日期
1986.09.27
申请人
发明人
分类号
C02F1/20;C02F1/74;C02F3/22;(IPC1-7):C02F3/22
主分类号
C02F1/20
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代理人
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