Dust proof chuck,申请号US19570674664-传众专利搜索

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发明名称	Dust proof chuck
摘要
申请公布号	US2903268(A)	申请公布日期	1959.09.08
申请号	US19570674664	申请日期	1957.07.29
申请人	BUCK TOOL COMPANY	发明人	BUCK RUSSELL E.;BUCK JAMES R.
分类号	B23B31/00;B23B31/163;B23B31/36	主分类号	B23B31/00
代理机构		代理人
主权项
地址

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