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摘要
申请公布号
JPS52114228(U)
申请公布日期
1977.08.30
申请号
JP19760021637U
申请日期
1976.02.27
申请人
发明人
分类号
H01F38/42;H01F19/00;(IPC1-7):H01F19/00
主分类号
H01F38/42
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