Improvements in or relating to optical lenses,申请号GB19530030744-传众专利搜索

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发明名称	Improvements in or relating to optical lenses
摘要
申请公布号	GB758668(A)	申请公布日期	1956.10.10
申请号	GB19530030744	申请日期	1953.11.06
申请人	FRANCIS MICHAEL RUSSELL	发明人
分类号	G02B7/02	主分类号	G02B7/02
代理机构		代理人
主权项
地址

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