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经营范围
发明名称
Improvements in or relating to travelling wave amplifiers
摘要
申请公布号
GB850036(A)
申请公布日期
1960.09.28
申请号
GB19580017710
申请日期
1958.06.03
申请人
WESTERN ELECTRIC COMPANY
发明人
分类号
H03F7/00;H03F7/02
主分类号
H03F7/00
代理机构
代理人
主权项
地址
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