(B1) ;APPARATUS FOR HOLDING A FIRST BEAD OR RUN WHILE AUTOMATICALLY BUTT WELDING TWO PIPES TOGETHER,申请号PL19810229367-传众专利搜索

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发明名称	(B1) ;APPARATUS FOR HOLDING A FIRST BEAD OR RUN WHILE AUTOMATICALLY BUTT WELDING TWO PIPES TOGETHER
摘要
申请公布号	PL229367(A1)	申请公布日期	1981.09.18
申请号	PL19810229367	申请日期	1981.01.23
申请人	SAIPEM SPA	发明人	RINALDI FERNANDO
分类号	B23K37/06;B23K9/035;B23K37/04;B23K37/053;(IPC1-7):B23K/	主分类号	B23K37/06
代理机构		代理人
主权项
地址

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