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发明名称
摘要
申请公布号
JPH0241690(U)
申请公布日期
1990.03.22
申请号
JP19880117114U
申请日期
1988.09.06
申请人
发明人
分类号
H01F38/42;H01F19/04;H02M7/06;H02M7/10;(IPC1-7):H02M7/10
主分类号
H01F38/42
代理机构
代理人
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