METHOD OF AND APPARATUS FOR PRODUCING TUBES OF POLYGONAL CROSS SECTION,申请号CAD706363-传众专利搜索

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发明名称	METHOD OF AND APPARATUS FOR PRODUCING TUBES OF POLYGONAL CROSS SECTION
摘要
申请公布号	CA706363(A)	申请公布日期	1965.03.23
申请号	CAD706363	申请日期
申请人	JOHN M. MACCHIONE	发明人	JOHN M. MACCHIONE
分类号		主分类号
代理机构		代理人
主权项
地址

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