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发明名称
Power amplifier
摘要
申请公布号
US1917015(A)
申请公布日期
1933.07.04
申请号
US19310546743
申请日期
1931.06.25
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BURTON EVERETT T.
分类号
H03F1/33
主分类号
H03F1/33
代理机构
代理人
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地址
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