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发明名称
Electric lamp and similar device
摘要
申请公布号
US2211602(A)
申请公布日期
1940.08.13
申请号
US19390274442
申请日期
1939.05.18
申请人
GENERAL ELECTRIC COMPANY
发明人
LAIT JAMES R.;PIRANI MARCELLO
分类号
H01J19/44
主分类号
H01J19/44
代理机构
代理人
主权项
地址
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