Apparatus for copper welding or heat treating tubing or other long lengths of metal,申请号US19350050212-传众专利搜索

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发明名称	Apparatus for copper welding or heat treating tubing or other long lengths of metal
摘要
申请公布号	US2151989(A)	申请公布日期	1939.03.28
申请号	US19350050212	申请日期	1935.11.16
申请人	BUNDY TUBING COMPANY	发明人	QUARNSTROM BERT L.
分类号	B21C37/08	主分类号	B21C37/08
代理机构		代理人
主权项
地址

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