Fenêtre de projection pour cabine cinématographique,申请号FRD1106522-传众专利搜索

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发明名称	Fenêtre de projection pour cabine cinématographique
摘要
申请公布号	FR1106522(A)	申请公布日期	1955.12.20
申请号	FRD1106522	申请日期	1954.08.14
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	G03B21/60	主分类号	G03B21/60
代理机构		代理人
主权项
地址

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