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发明名称
Ultra high frequency oscillator
摘要
申请公布号
US2216170(A)
申请公布日期
1940.10.01
申请号
US19390286301
申请日期
1939.07.25
申请人
GEORGE ROSCOE H
发明人
GEORGE ROSCOE H.
分类号
H01J19/80;H01J25/00
主分类号
H01J19/80
代理机构
代理人
主权项
地址
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