Verfahren zur Vermeidung von Fehlschweissungen bei laengsnahtgeschweissten Rohren,申请号DE19691925865-传众专利搜索

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发明名称	Verfahren zur Vermeidung von Fehlschweissungen bei laengsnahtgeschweissten Rohren
摘要
申请公布号	DE1925865(A1)	申请公布日期	1970.11.26
申请号	DE19691925865	申请日期	1969.05.21
申请人	DRECHSLER,GUIDO	发明人	DRECHSLER,GUIDO
分类号	B23K31/02;B23K13/02	主分类号	B23K31/02
代理机构		代理人
主权项
地址

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