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发明名称
摘要
申请公布号
CS161006(B1)
申请公布日期
1975.05.04
申请号
CS19720002834
申请日期
1972.04.26
申请人
发明人
分类号
(IPC1-7):H01C9/02
主分类号
(IPC1-7):H01C9/02
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代理人
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