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发明名称
Kathodenstrahlroehre zur Erzeugung mehrerer Strahlenbuendel
摘要
申请公布号
DE1024175(B)
申请公布日期
1958.02.13
申请号
DE1952R009915
申请日期
1952.09.22
申请人
RADIO CORPORATION OF AMERICA
发明人
ORMER DAVID DALE VAN
分类号
H01J31/12
主分类号
H01J31/12
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代理人
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