METAL DRAWING APPARATUS,申请号CAD477983-传众专利搜索

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发明名称	METAL DRAWING APPARATUS
摘要
申请公布号	CA477983(A)	申请公布日期	1951.10.23
申请号	CAD477983	申请日期
申请人	ALUMINUM COMPANY OF AMERICA	发明人	WILLIAM PRESTON AVEY;HOWARD HARVEY HERRINGTON;LAWRENCE WILLIAM MEYER;JOSEPH EMMETT MCLAUGHLIN
分类号		主分类号
代理机构		代理人
主权项
地址

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