Hilfsgeraet fuer die halbfeuchte Entwicklung von Lichtpausen,申请号DE1929L074398D-传众专利搜索

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发明名称	Hilfsgeraet fuer die halbfeuchte Entwicklung von Lichtpausen
摘要
申请公布号	DE491266(C)	申请公布日期	1930.02.14
申请号	DE1929L074398D	申请日期	1929.03.02
申请人	OTTO LECKE	发明人
分类号	G03D5/06	主分类号	G03D5/06
代理机构		代理人
主权项
地址

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