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经营范围
发明名称
LOUDSPEAKER ARRANGEMENT
摘要
申请公布号
CA766399(A)
申请公布日期
1967.08.29
申请号
CAD766399
申请日期
申请人
N.V. PHILIPS GLOEILAMPENFABRIEKEN
发明人
STEPHANUS H. DE KONING
分类号
主分类号
代理机构
代理人
主权项
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