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发明名称
Elektronenroehre zum Anfachen, insbesondere Verstaerken, Erzeugen oder Empfangen vonultrahochfrequenten, elektromagnetischen Schwingungen
摘要
申请公布号
DE869649(C)
申请公布日期
1953.03.05
申请号
DE1934P004083D
申请日期
1934.03.01
申请人
JULIUS PINTSCH K. G.
发明人
分类号
H01J25/70;H03B9/02
主分类号
H01J25/70
代理机构
代理人
主权项
地址
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