Improvements in or relating to optical objectives,申请号GB19380014488-传众专利搜索

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发明名称	Improvements in or relating to optical objectives
摘要
申请公布号	GB497550(A)	申请公布日期	1938.12.21
申请号	GB19380014488	申请日期	1938.05.14
申请人	ZEISS IKON AKTIENGESELLSCHAFT	发明人
分类号	G02B9/12	主分类号	G02B9/12
代理机构		代理人
主权项
地址

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