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发明名称
摘要
申请公布号
JPH0618476(U)
申请公布日期
1994.03.11
申请号
JP19920061426U
申请日期
1992.08.08
申请人
发明人
分类号
C02F1/28;E03C1/10;(IPC1-7):E03C1/10
主分类号
C02F1/28
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代理人
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