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发明名称
Electric valve converting system
摘要
申请公布号
US1945401(A)
申请公布日期
1934.01.30
申请号
US19320635773
申请日期
1932.10.01
申请人
GENERAL ELECTRIC COMPANY
发明人
HOROWICZ EUGEN
分类号
H02M7/51
主分类号
H02M7/51
代理机构
代理人
主权项
地址
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