Apparatus for butt-welding pipes and tubing,申请号US19350033549-传众专利搜索

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发明名称	Apparatus for butt-welding pipes and tubing
摘要
申请公布号	US2196180(A)	申请公布日期	1940.04.09
申请号	US19350033549	申请日期	1935.07.27
申请人	AIR REDUCTION COMPANY, INCORPORATED	发明人	ANDERSON JAMES L.
分类号	B23K5/00	主分类号	B23K5/00
代理机构		代理人
主权项
地址

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