Improvements in and relating to production of diffraction gratings,申请号GB19540029643-传众专利搜索

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发明名称	Improvements in and relating to production of diffraction gratings
摘要
申请公布号	GB817051(A)	申请公布日期	1959.07.22
申请号	GB19540029643	申请日期	1954.10.14
申请人	NATIONAL RESEARCH DEVELOPMENT CORPORATION	发明人	SAYCE LEONARD ALFRED;DEW GORDON DOUGLAS
分类号	G02B5/18	主分类号	G02B5/18
代理机构		代理人
主权项
地址

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