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发明名称
Electric valve circuits
摘要
申请公布号
US2247167(A)
申请公布日期
1941.06.24
申请号
US19390301861
申请日期
1939.10.28
申请人
GENERAL ELECTRIC COMPANY
发明人
EDWARDS MARTIN A.
分类号
H02M1/02
主分类号
H02M1/02
代理机构
代理人
主权项
地址
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