Expanding chuck or mandrel,申请号US19460648944-传众专利搜索

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发明名称	Expanding chuck or mandrel
摘要
申请公布号	US2464156(A)	申请公布日期	1949.03.08
申请号	US19460648944	申请日期	1946.02.20
申请人	SANDERSEN	发明人	SANDERSEN GERARD L.;NIELSEN KARL K.;CAMPBELL COLIN
分类号	B23Q3/06	主分类号	B23Q3/06
代理机构		代理人
主权项
地址

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