Internally threaded hollow metal article and method and apparatus for forming same,申请号US19550540014-传众专利搜索

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发明名称	Internally threaded hollow metal article and method and apparatus for forming same
摘要
申请公布号	US3024677(A)	申请公布日期	1962.03.13
申请号	US19550540014	申请日期	1955.10.12
申请人	NEO PRODUCTS CORPORATION	发明人	GREIMAN GEORGE Y.;FRYE RICHARD D.;FRYE ROBERT W.;BURD GORMAN C.
分类号	B21H3/08	主分类号	B21H3/08
代理机构		代理人
主权项
地址

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