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经营范围
发明名称
Dispositif de projection comportant un couloir à film pourvu d'une fenêtre de projection et d'un guide-film mobile.
摘要
申请公布号
BE581620(A1)
申请公布日期
1960.02.12
申请号
BE19590581620
申请日期
1959.08.12
申请人
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
(IPC1-7):G03B
主分类号
(IPC1-7):G03B
代理机构
代理人
主权项
地址
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