Improvements in or relating to optical systems,申请号GB19560009421-传众专利搜索

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发明名称	Improvements in or relating to optical systems
摘要
申请公布号	GB836876(A)	申请公布日期	1960.06.09
申请号	GB19560009421	申请日期	1956.03.26
申请人	W. WATSON & SONS LIMITED;HAROLD HORACE HOPKINS	发明人
分类号	G02B15/14	主分类号	G02B15/14
代理机构		代理人
主权项
地址

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