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发明名称
摘要
申请公布号
JPH0295223(U)
申请公布日期
1990.07.30
申请号
JP19880103573U
申请日期
1988.08.04
申请人
发明人
分类号
H01F27/32;H01F27/24;(IPC1-7):H01F27/32
主分类号
H01F27/32
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代理人
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