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发明名称
摘要
申请公布号
DE2028455(A1)
申请公布日期
1972.03.09
申请号
DE19702028455
申请日期
1970.06.10
申请人
发明人
分类号
H02P1/44;(IPC1-7):H02P1/42
主分类号
H02P1/44
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