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发明名称
ELECTRONIC TUBE OF THE TRAVELLING WAVE TYPE
摘要
申请公布号
CA596995(A)
申请公布日期
1960.04.26
申请号
CAD596995
申请日期
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
GEORGES GUILBAUD;ANDRE DUBOIS
分类号
主分类号
代理机构
代理人
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