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经营范围
发明名称
Magnetfeldroehre mit Hohlraumresonatoren
摘要
申请公布号
DE890099(C)
申请公布日期
1953.09.17
申请号
DE1952C005222
申请日期
1952.01.03
申请人
COMPAGNIE GENERALE DE TELEGRAPHIE SANS FIL
发明人
AZEMA CHARLES
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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