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发明名称
摘要
申请公布号
SU547917(A1)
申请公布日期
1977.02.25
申请号
SU19752123089
申请日期
1975.04.07
申请人
发明人
分类号
H02J13/00;H03C5/00;(IPC1-7):H02J13/00
主分类号
H02J13/00
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代理人
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