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发明名称
摘要
申请公布号
FR2152620(A1)
申请公布日期
1973.04.27
申请号
FR19720031322
申请日期
1972.08.29
申请人
IBM
发明人
分类号
H02M7/537;H02M1/088;(IPC1-7):H02M5/00
主分类号
H02M7/537
代理机构
代理人
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