Improvements in machines for grinding twist drills,申请号GB19300006097-传众专利搜索

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发明名称	Improvements in machines for grinding twist drills
摘要
申请公布号	GB344644(A)	申请公布日期	1931.03.12
申请号	GB19300006097	申请日期	1930.02.24
申请人	R. STOCK & CO., SPIRALBOHRER-WERKZEUG-UND MASCHINENFABRIK A.G.	发明人
分类号	B24B3/24	主分类号	B24B3/24
代理机构		代理人
主权项
地址

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