BELICHTUNGSRECHNER FUER PHOTOGRAPHISCHE ZWECKE.,申请号DE195000P1466U-传众专利搜索

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发明名称	BELICHTUNGSRECHNER FUER PHOTOGRAPHISCHE ZWECKE.
摘要
申请公布号	DE1620934(U)	申请公布日期	1951.03.15
申请号	DE195000P1466U	申请日期	1950.12.11
申请人	WILLIAM VON POSWIK	发明人	WILLIAM VON POSWIK
分类号		主分类号
代理机构		代理人
主权项
地址

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