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发明名称
摘要
申请公布号
JPS473298(U)
申请公布日期
1972.09.04
申请号
JP19710004893U
申请日期
1971.02.02
申请人
发明人
分类号
H02B1/20;H02G5/02;(IPC1-7):H02G5/02
主分类号
H02B1/20
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