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发明名称
摘要
申请公布号
JPS42984(Y1)
申请公布日期
1967.01.20
申请号
JP19640015858U
申请日期
1964.03.02
申请人
发明人
分类号
H01H19/56;H01F5/04;H03J5/28;(IPC1-7):H03J5/28
主分类号
H01H19/56
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