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发明名称
摘要
申请公布号
JPS5233562(Y2)
申请公布日期
1977.07.30
申请号
JP19720033701U
申请日期
1972.03.22
申请人
发明人
分类号
H01H21/22;B66C13/56;H01H19/14;H01H23/14;H01H25/06;(IPC1-7):H01H23/14
主分类号
H01H21/22
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代理人
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