Apparatus for making metal building and building elements,申请号US19610107618-传众专利搜索

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发明名称	Apparatus for making metal building and building elements
摘要
申请公布号	US3150707(A)	申请公布日期	1964.09.29
申请号	US19610107618	申请日期	1961.04.27
申请人	PAT HOWELL	发明人	HOWELL PAT
分类号	B21D5/08;E04B1/18;E04H7/30	主分类号	B21D5/08
代理机构		代理人
主权项
地址

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