Improvements in and relating to the construction of objectives for optical instruments,申请号GB19340006900-传众专利搜索

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发明名称	Improvements in and relating to the construction of objectives for optical instruments
摘要
申请公布号	GB431726(A)	申请公布日期	1935.07.15
申请号	GB19340006900	申请日期	1934.03.05
申请人	CARL WILLIAM HANSEL	发明人
分类号	G02B13/00;G02B21/02	主分类号	G02B13/00
代理机构		代理人
主权项
地址

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