Method of forming finned tubing,申请号US19580710736-传众专利搜索

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发明名称	Method of forming finned tubing
摘要
申请公布号	US2956335(A)	申请公布日期	1960.10.18
申请号	US19580710736	申请日期	1958.01.23
申请人	ARROW INDUSTRIAL MANUFACTURING COMPANY	发明人	MATHENY WILLIAM F.;JR. WILLIAM F. MATHENY,
分类号	B21C37/26	主分类号	B21C37/26
代理机构		代理人
主权项
地址

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