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发明名称
摘要
申请公布号
JPS6074794(U)
申请公布日期
1985.05.25
申请号
JP19830164649U
申请日期
1983.10.26
申请人
发明人
分类号
C02F3/20;(IPC1-7):C02F3/20
主分类号
C02F3/20
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