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发明名称
Microwave amplifier
摘要
申请公布号
US2683238(A)
申请公布日期
1954.07.06
申请号
US19490099757
申请日期
1949.06.17
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MILLMAN SIDNEY
分类号
H01J23/24;H01J25/38
主分类号
H01J23/24
代理机构
代理人
主权项
地址
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