Improvements in or connected with optical observation instruments,申请号GB19400009893-传众专利搜索

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发明名称	Improvements in or connected with optical observation instruments
摘要
申请公布号	GB572544(A)	申请公布日期	1945.10.12
申请号	GB19400009893	申请日期	1940.06.06
申请人	BARR AND STROUD, LIMITED;JAMES WEIR FRENCH	发明人
分类号	G02B7/06;G02B23/16	主分类号	G02B7/06
代理机构		代理人
主权项
地址

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