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发明名称
摘要
申请公布号
JPS5023731(B1)
申请公布日期
1975.08.09
申请号
JP19700070633
申请日期
1970.08.11
申请人
发明人
分类号
G05F1/45;H02M5/44;H02M5/443;H02M7/48;H02M7/515;(IPC1-7):H02M7/48
主分类号
G05F1/45
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代理人
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