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发明名称
摘要
申请公布号
JPS556977(B2)
申请公布日期
1980.02.21
申请号
JP19760062744
申请日期
1976.05.28
申请人
发明人
分类号
H01H47/00;H01H47/32
主分类号
H01H47/00
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代理人
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地址
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