Verfahren zum Herstellen von Kopiervorlagen,申请号DE1934H139445D-传众专利搜索

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发明名称	Verfahren zum Herstellen von Kopiervorlagen
摘要
申请公布号	DE657273(C)	申请公布日期	1938.03.01
申请号	DE1934H139445D	申请日期	1934.03.16
申请人	DR. JOHANNES HEIDENHAIN	发明人
分类号	G03F1/54	主分类号	G03F1/54
代理机构		代理人
主权项
地址

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