Two-way adjustable four jaw lathe chuck,申请号US19460638791-传众专利搜索

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发明名称	Two-way adjustable four jaw lathe chuck
摘要
申请公布号	US2464854(A)	申请公布日期	1949.03.22
申请号	US19460638791	申请日期	1946.01.03
申请人	DE MARTIN ROGER R	发明人	MARTIN ROGER R. DE
分类号	B23B31/16	主分类号	B23B31/16
代理机构		代理人
主权项
地址

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