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经营范围
发明名称
BEACON TRANSMITTERS
摘要
申请公布号
CA476300(A)
申请公布日期
1951.08.21
申请号
CAD476300
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
FRANK DE FREMERY;CHRISTIAAN JAN DE LUSSANET DE LA SABLONIERE
分类号
主分类号
代理机构
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