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发明名称
Excitation system for vapor electric valves
摘要
申请公布号
US2441987(A)
申请公布日期
1948.05.25
申请号
US19440543839
申请日期
1944.07.07
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
BOYER JOHN L.;ROSE HERBERT A.
分类号
H01J13/34;H01J13/48
主分类号
H01J13/34
代理机构
代理人
主权项
地址
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