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发明名称
Electric wave amplifying system
摘要
申请公布号
US2210001(A)
申请公布日期
1940.08.06
申请号
US19360114393
申请日期
1936.12.05
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
PERKINS EDWIN H.
分类号
H04B3/08
主分类号
H04B3/08
代理机构
代理人
主权项
地址
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