Mattscheibe mit Spiegelvorrichtung fuer photographische Apparate,申请号DE1929W083369D-传众专利搜索

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发明名称	Mattscheibe mit Spiegelvorrichtung fuer photographische Apparate
摘要
申请公布号	DE519289(C)	申请公布日期	1931.02.26
申请号	DE1929W083369D	申请日期	1929.08.03
申请人	ERICH WOLTERS	发明人
分类号	G03B19/12	主分类号	G03B19/12
代理机构		代理人
主权项
地址

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