Einrichtung zum Herstellen geschweisster Schraubennahtrohre,申请号DE1959E017018-传众专利搜索

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发明名称	Einrichtung zum Herstellen geschweisster Schraubennahtrohre
摘要
申请公布号	DE1115684(B)	申请公布日期	1961.10.26
申请号	DE1959E017018	申请日期	1959.01.15
申请人	WILHELM ECKHARDT	发明人	ECKHARDT WILHELM
分类号	B21C37/12	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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