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发明名称
CATHODE-RAY TUBE HAVING AN ELECTRON GUN FOR PRODUCING A PLURALITY OF ELECTRON BEAMS
摘要
申请公布号
CA881686(A)
申请公布日期
1971.09.21
申请号
CAD881686
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
PIET G. J. BARTEN
分类号
主分类号
代理机构
代理人
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