An attached fin-type tube and method of making the same,申请号GB19590012988-传众专利搜索

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发明名称	An attached fin-type tube and method of making the same
摘要
申请公布号	GB884607(A)	申请公布日期	1961.12.13
申请号	GB19590012988	申请日期	1959.04.16
申请人	CALUMET & HECLA, INC.	发明人
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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