Quick releasing nipple chuck for pipe threading machines,申请号US19440569046-传众专利搜索

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发明名称	Quick releasing nipple chuck for pipe threading machines
摘要
申请公布号	US2429038(A)	申请公布日期	1947.10.14
申请号	US19440569046	申请日期	1944.12.20
申请人	WALKER FREDERIC L	发明人	WALKER FREDERIC L.
分类号	B23B31/02	主分类号	B23B31/02
代理机构		代理人
主权项
地址

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