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经营范围
发明名称
Magnetronroehre, deren Anode nach der Kathode gerichtete, durch Schlitze getrennte Zaehne aufweist
摘要
申请公布号
DE854975(C)
申请公布日期
1952.11.10
申请号
DE1950C002956
申请日期
1950.10.01
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
GUTTON HENRI
分类号
H01J25/587
主分类号
H01J25/587
代理机构
代理人
主权项
地址
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