Device and method for support of the first-pass welding bath in the orbital welding of heads of metal pipes of medium and large size,申请号IT1993TO00829-传众专利搜索

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发明名称	Device and method for support of the first-pass welding bath in the orbital welding of heads of metal pipes of medium and large size
摘要
申请公布号	IT1261332(B)	申请公布日期	1996.05.14
申请号	IT1993TO00829	申请日期	1993.11.05
申请人	P.W.T. S.R.L.	发明人	RINALDI FERNANDO
分类号	B23K;(IPC1-7):B23K	主分类号	B23K
代理机构		代理人
主权项
地址

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