Verfahren zur Herstellung negativer Kopien,申请号DE1931K119293D-传众专利搜索

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发明名称	Verfahren zur Herstellung negativer Kopien
摘要
申请公布号	DE559795(C)	申请公布日期	1932.09.24
申请号	DE1931K119293D	申请日期	1931.03.05
申请人	KALLE & CO. AKT.-GES.	发明人	KRIEGER DR. WILHELM
分类号	G03F7/016;H03J1/04	主分类号	G03F7/016
代理机构		代理人
主权项
地址

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