Perfectionnements relatifs à des éléments optiques et à leur procédé de fabrication,申请号FRD919711-传众专利搜索

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发明名称	Perfectionnements relatifs à des éléments optiques et à leur procédé de fabrication
摘要
申请公布号	FR919711(A)	申请公布日期	1947.03.17
申请号	FRD919711	申请日期	1946.01.04
申请人	INTERNATIONAL POLAROID CORPORATION	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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