Electrooptical testing device for timepieces,申请号US19330656102-传众专利搜索

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发明名称	Electrooptical testing device for timepieces
摘要
申请公布号	US2055231(A)	申请公布日期	1936.09.22
申请号	US19330656102	申请日期	1933.02.10
申请人	ERNST LEITZ OPTISCHE WERKE, G.M.B.H.	发明人	DISTELI ALFRED
分类号	G04D7/12	主分类号	G04D7/12
代理机构		代理人
主权项
地址

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