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发明名称
摘要
申请公布号
JPS5515233(Y2)
申请公布日期
1980.04.08
申请号
JP19770066327U
申请日期
1977.05.25
申请人
发明人
分类号
C02F1/50;H01H13/20;H01H35/26;H01H35/34;H01H35/40;(IPC1-7):H01H35/40
主分类号
C02F1/50
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代理人
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