Improvements in and relating to the butt-welding of pipes or like hollow members,申请号GB19460025573-传众专利搜索

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发明名称	Improvements in and relating to the butt-welding of pipes or like hollow members
摘要
申请公布号	GB616088(A)	申请公布日期	1949.01.17
申请号	GB19460025573	申请日期	1946.08.27
申请人	AITON & COMPANY LIMITED;JOHN MARSHMAN AITON	发明人
分类号	B23K37/053	主分类号	B23K37/053
代理机构		代理人
主权项
地址

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