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经营范围
发明名称
Improvements in or relating to velocity-modulation amplifiers
摘要
申请公布号
GB843583(A)
申请公布日期
1960.08.04
申请号
GB19580035544
申请日期
1958.11.05
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H01J25/36;H01J25/49
主分类号
H01J25/36
代理机构
代理人
主权项
地址
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