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发明名称
Luminescensmateriale og fremgangsmåde til dets fremstilling.
摘要
申请公布号
DK77247(C)
申请公布日期
1954.03.15
申请号
DK19460000691
申请日期
1946.02.23
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
分类号
主分类号
代理机构
代理人
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