Finned tubes and machine for making the same,申请号GB19500001367-传众专利搜索

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发明名称	Finned tubes and machine for making the same
摘要
申请公布号	GB667712(A)	申请公布日期	1952.03.05
申请号	GB19500001367	申请日期	1950.01.18
申请人	THE GRISCOM-RUSSELL COMPANY	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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