Photographischer Apparat fuer Plattenaufnahmen vom Luftraum aus,申请号DE1926N026097D-传众专利搜索

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发明名称	Photographischer Apparat fuer Plattenaufnahmen vom Luftraum aus
摘要
申请公布号	DE519956(C)	申请公布日期	1931.03.05
申请号	DE1926N026097D	申请日期	1926.07.11
申请人	UMBERTO NISTRI	发明人
分类号	G03B17/34	主分类号	G03B17/34
代理机构		代理人
主权项
地址

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