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发明名称
摘要
申请公布号
JPS5215485(B2)
申请公布日期
1977.04.30
申请号
JP19740087965
申请日期
1974.08.02
申请人
发明人
分类号
H03J5/32;G12B11/04;H01H13/00
主分类号
H03J5/32
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代理人
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