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发明名称
Electric valve converting system
摘要
申请公布号
US2228846(A)
申请公布日期
1941.01.14
申请号
US19390264579
申请日期
1939.03.28
申请人
GENERAL ELECTRIC COMPANY
发明人
PRINCE DAVID C.
分类号
H01T11/00
主分类号
H01T11/00
代理机构
代理人
主权项
地址
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