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发明名称
摘要
申请公布号
JPH0237797(U)
申请公布日期
1990.03.13
申请号
JP19880113107U
申请日期
1988.08.29
申请人
发明人
分类号
C02F3/00;(IPC1-7):C02F3/00
主分类号
C02F3/00
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代理人
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