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发明名称
Electroluminescent device to give negative pictures
摘要
申请公布号
US2891169(A)
申请公布日期
1959.06.16
申请号
US19550532259
申请日期
1955.09.02
申请人
RADIO CORPORATION OF AMERICA
发明人
NICOLL FREDERICK H.
分类号
主分类号
代理机构
代理人
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