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发明名称
摘要
申请公布号
JPS63180909(U)
申请公布日期
1988.11.22
申请号
JP19870071206U
申请日期
1987.05.13
申请人
发明人
分类号
H01F38/28;(IPC1-7):H01F40/06
主分类号
H01F38/28
代理机构
代理人
主权项
地址
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