MULTIPLE HELICAL FINNED TUBING AND METHOD OF MANUFACTURING THE SAME,申请号CAD464619-传众专利搜索

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发明名称	MULTIPLE HELICAL FINNED TUBING AND METHOD OF MANUFACTURING THE SAME
摘要
申请公布号	CA464619(A)	申请公布日期	1950.04.25
申请号	CAD464619	申请日期
申请人	CALUMET AND HECLA CONSOLIDATED COPPER COMPANY	发明人	JOSEPH LEONARD HIPPLER
分类号		主分类号
代理机构		代理人
主权项
地址

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