Verfahren zur Herstellung von Geheimzeichen auf Metallwerkstuecken, z.B. Blechen und Stangen,申请号DE1934A072964D-传众专利搜索

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发明名称	Verfahren zur Herstellung von Geheimzeichen auf Metallwerkstuecken, z.B. Blechen und Stangen
摘要
申请公布号	DE617306(C)	申请公布日期	1935.08.16
申请号	DE1934A072964D	申请日期	1934.04.11
申请人	ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT	发明人	WUNDER WILHELM
分类号	B21C51/00	主分类号	B21C51/00
代理机构		代理人
主权项
地址

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