Dispositif d'obscurcissement partiel d'une source de lumière.,申请号CHD235379-传众专利搜索

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发明名称	Dispositif d'obscurcissement partiel d'une source de lumière.
摘要
申请公布号	CH235379(A)	申请公布日期	1944.11.30
申请号	CHD235379	申请日期	1943.04.08
申请人	WYSS,JEAN-PIERRE	发明人	WYSS,JEAN-PIERRE
分类号	F21V9/08;F21V11/16	主分类号	F21V9/08
代理机构		代理人
主权项
地址

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