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发明名称
Delay device
摘要
申请公布号
US2579269(A)
申请公布日期
1951.12.18
申请号
US19480018119
申请日期
1948.03.31
申请人
RADIO CORPORATION OF AMERICA
发明人
MESNER MAX H.
分类号
H01J25/34
主分类号
H01J25/34
代理机构
代理人
主权项
地址
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