Manufacture of small drilled and tapped parts such as hexagon and other nuts,申请号US19440530342-传众专利搜索

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法人/股东/高管

发明名称	Manufacture of small drilled and tapped parts such as hexagon and other nuts
摘要
申请公布号	US2371440(A)	申请公布日期	1945.03.13
申请号	US19440530342	申请日期	1944.04.10
申请人	NORMAN HALL	发明人	HALL NORMAN
分类号	B21D53/24;B21K1/66	主分类号	B21D53/24
代理机构		代理人
主权项
地址

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