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发明名称
摘要
申请公布号
JPS4937708(U)
申请公布日期
1974.04.03
申请号
JP19720078741U
申请日期
1972.07.05
申请人
发明人
分类号
H05K9/00;H01F21/06;H01F27/36;(IPC1-7):H01F21/06
主分类号
H05K9/00
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代理人
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