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发明名称
摘要
申请公布号
JPS5811208(U)
申请公布日期
1983.01.25
申请号
JP19810103787U
申请日期
1981.07.15
申请人
发明人
分类号
H01F7/08;F16K31/06;H01F7/04;(IPC1-7):H01F7/04
主分类号
H01F7/08
代理机构
代理人
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