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发明名称
High-frequency electronic device
摘要
申请公布号
US2484643(A)
申请公布日期
1949.10.11
申请号
US19450581290
申请日期
1945.03.06
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
PETERSON LISS C.
分类号
H01J25/02;H03F1/28
主分类号
H01J25/02
代理机构
代理人
主权项
地址
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