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发明名称
摘要
申请公布号
JPS50144065(A)
申请公布日期
1975.11.19
申请号
JP19750043176
申请日期
1975.04.09
申请人
发明人
分类号
H01F7/16;H01H51/10;H01H51/22
主分类号
H01F7/16
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代理人
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