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发明名称
摘要
申请公布号
JPS57143596(U)
申请公布日期
1982.09.09
申请号
JP19810029509U
申请日期
1981.03.02
申请人
发明人
分类号
H01T13/02;H01F17/04;H01T13/20;(IPC1-7):H01T13/02
主分类号
H01T13/02
代理机构
代理人
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