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发明名称
Reduction of tube seal heating in high-frequency apparatus
摘要
申请公布号
US2502144(A)
申请公布日期
1950.03.28
申请号
US19470788451
申请日期
1947.11.28
申请人
GENERAL ELECTRIC COMPANY
发明人
GOETTER WILLIAM F.
分类号
H01J21/06;H03F3/54
主分类号
H01J21/06
代理机构
代理人
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