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发明名称
Vapor electric device
摘要
申请公布号
US1836805(A)
申请公布日期
1931.12.15
申请号
US19260121891
申请日期
1926.07.12
申请人
GENERAL ELECTRIC COMPANY
发明人
LANGMUIR IRVING
分类号
H01J13/02
主分类号
H01J13/02
代理机构
代理人
主权项
地址
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