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发明名称
摘要
申请公布号
JPS5844575(U)
申请公布日期
1983.03.25
申请号
JP19810138769U
申请日期
1981.09.18
申请人
发明人
分类号
H01F7/16;F16K31/06;(IPC1-7):F16K31/06
主分类号
H01F7/16
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