Tube making and copper coating process,申请号US19340731724-传众专利搜索

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发明名称	Tube making and copper coating process
摘要
申请公布号	US2084268(A)	申请公布日期	1937.06.15
申请号	US19340731724	申请日期	1934.06.21
申请人	BUNDY TUBING COMPANY	发明人	QUARNSTROM BERT L.
分类号	B21C37/09	主分类号	B21C37/09
代理机构		代理人
主权项
地址

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