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发明名称
Elektronenentladungsvorrichtung mit Hohlraumresonator zum Gebrauch als Schwingungsgenerator
摘要
申请公布号
DE863220(C)
申请公布日期
1953.01.15
申请号
DE1949E003062
申请日期
1949.02.28
申请人
ELECTRIC & MUSICAL INDUSTRIES LIMITED
发明人
MAYO BERNARD JOSEPH
分类号
D03D1/00;H01J25/24
主分类号
D03D1/00
代理机构
代理人
主权项
地址
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