Improvements in or relating to photographic objectives,申请号GB19360023830-传众专利搜索

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发明名称	Improvements in or relating to photographic objectives
摘要
申请公布号	GB476349(A)	申请公布日期	1937.12.07
申请号	GB19360023830	申请日期	1936.08.31
申请人	ALBRECHT WILHELM TRONNIER	发明人
分类号	G02B13/00	主分类号	G02B13/00
代理机构		代理人
主权项
地址

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