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发明名称
Magnetronroehre
摘要
申请公布号
DE663259(C)
申请公布日期
1938.08.03
申请号
DE1935R092838D
申请日期
1935.03.12
申请人
RADIO CORPORATION OF AMERICA
发明人
分类号
H01J25/52;H03B9/10;H03C5/04
主分类号
H01J25/52
代理机构
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