An improved guard for drill chucks and the like,申请号GB19440016987-传众专利搜索

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发明名称	An improved guard for drill chucks and the like
摘要
申请公布号	GB583318(A)	申请公布日期	1946.12.16
申请号	GB19440016987	申请日期	1944.09.06
申请人	REGINALD ARTHUR CALLIS	发明人
分类号	B23Q11/08	主分类号	B23Q11/08
代理机构		代理人
主权项
地址

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