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发明名称
Wave amplifying circuit
摘要
申请公布号
US1995362(A)
申请公布日期
1935.03.26
申请号
US19300438252
申请日期
1930.03.24
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
PETERSON EUGENE
分类号
H03F1/33;H03F3/32;H04B3/04
主分类号
H03F1/33
代理机构
代理人
主权项
地址
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