Projecteur avec dispositif d'aspiration et diaphragme contre le rayonnement latéral,申请号FRD52570-传众专利搜索

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发明名称	Projecteur avec dispositif d'aspiration et diaphragme contre le rayonnement latéral
摘要
申请公布号	FR52570(E)	申请公布日期	1945.04.30
申请号	FRD52570	申请日期	1942.10.19
申请人	LICENTIA PATENT-VERWALTUNGS-GESELLSCHAFT MIT BESCHRANKTER HAFTUNG	发明人
分类号	F21V29/00;G03B21/16	主分类号	F21V29/00
代理机构		代理人
主权项
地址

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