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发明名称
Electric valve converting system
摘要
申请公布号
US2094819(A)
申请公布日期
1937.10.05
申请号
US19360089591
申请日期
1936.07.08
申请人
WILLIAM A. DODGE;GENERAL ELECTRIC COMPANY
发明人
分类号
H02M3/31
主分类号
H02M3/31
代理机构
代理人
主权项
地址
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