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发明名称
摘要
申请公布号
JPH0422096(U)
申请公布日期
1992.02.24
申请号
JP19900062403U
申请日期
1990.06.13
申请人
发明人
分类号
C02F3/08;C02F3/00;(IPC1-7):C02F3/00
主分类号
C02F3/08
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