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发明名称
摘要
申请公布号
JPS529291(B2)
申请公布日期
1977.03.15
申请号
JP19720116971
申请日期
1972.11.20
申请人
发明人
分类号
H01H50/16;H01H50/56
主分类号
H01H50/16
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代理人
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地址
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