Control device for spiral pipe forming machine,申请号US19660529800-传众专利搜索

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发明名称	Control device for spiral pipe forming machine
摘要
申请公布号	US3393546(A)	申请公布日期	1968.07.23
申请号	US19660529800	申请日期	1966.02.24
申请人	FAY PIPE & PILE CO., INC.	发明人	FAY JAMES E.
分类号	B21C37/12	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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