Photographic three-lens objective,申请号US19310549939-传众专利搜索

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发明名称	Photographic three-lens objective
摘要
申请公布号	US1849681(A)	申请公布日期	1932.03.15
申请号	US19310549939	申请日期	1931.07.10
申请人	FIRM CARL ZEISS	发明人	MERTE WILLY;WANDERSLEB ERNST
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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