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发明名称
LUMINESCENT SUBSTANCE
摘要
申请公布号
CA512535(A)
申请公布日期
1955.05.03
申请号
CAD512535
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
FERDINAND A. KROGER;JAN VAN DEN BOOMGAARD
分类号
主分类号
代理机构
代理人
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