Tapping head for threading machines,申请号US19260101951-传众专利搜索

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发明名称	Tapping head for threading machines
摘要
申请公布号	US1772018(A)	申请公布日期	1930.08.05
申请号	US19260101951	申请日期	1926.04.14
申请人	PITTSBURGH SCREW AND BOLT CORPORATION	发明人	SHRUM PETER J.
分类号	B23G5/14	主分类号	B23G5/14
代理机构		代理人
主权项
地址

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