Fabrication d'éléments d'optique,申请号FRD926993-传众专利搜索

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发明名称	Fabrication d'éléments d'optique
摘要
申请公布号	FR926993(A)	申请公布日期	1947.10.16
申请号	FRD926993	申请日期	1946.05.16
申请人	IMPERIAL CHEMICAL INDUSTRIES LIMITED	发明人
分类号	B29D11/00	主分类号	B29D11/00
代理机构		代理人
主权项
地址

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