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发明名称
摘要
申请公布号
GB1341507(A)
申请公布日期
1973.12.25
申请号
GB19710046806
申请日期
1971.10.07
申请人
发明人
分类号
H05B6/66;(IPC1-7):H02H7/20;H01P1/32
主分类号
H05B6/66
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