Method and apparatus for changing the relative rotating speeds of a threading tool and work to effect disengagement,申请号US19580744614-传众专利搜索

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发明名称	Method and apparatus for changing the relative rotating speeds of a threading tool and work to effect disengagement
摘要
申请公布号	US3061849(A)	申请公布日期	1962.11.06
申请号	US19580744614	申请日期	1958.06.25
申请人	BARBEAU JEANNETTE B	发明人	BARBEAU JEANNETTE B.
分类号	B23G1/46	主分类号	B23G1/46
代理机构		代理人
主权项
地址

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