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发明名称
TRAVELLING WAVE TUBES
摘要
申请公布号
CA859926(A)
申请公布日期
1970.12.29
申请号
CAD859926
申请日期
申请人
ENGLISH ELECTRIC VALVE COMPANY LIMITED
发明人
DEREK N. HEINSON
分类号
主分类号
代理机构
代理人
主权项
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