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发明名称
摘要
申请公布号
DD111758(A1)
申请公布日期
1975.03.05
申请号
DD19740178117
申请日期
1974.04.25
申请人
发明人
分类号
(IPC1-7):H01G1/02
主分类号
(IPC1-7):H01G1/02
代理机构
代理人
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地址
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