Procédé photographique appliqué aux abat-jours,申请号FRD1014589-传众专利搜索

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发明名称	Procédé photographique appliqué aux abat-jours
摘要
申请公布号	FR1014589(A)	申请公布日期	1952.08.19
申请号	FRD1014589	申请日期	1949.12.02
申请人		发明人	PETIT RAYMOND
分类号	F21V1/00	主分类号	F21V1/00
代理机构		代理人
主权项
地址

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