Improvements relating to the production of twist drills,申请号GB19510002701-传众专利搜索

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发明名称	Improvements relating to the production of twist drills
摘要
申请公布号	GB687620(A)	申请公布日期	1953.02.18
申请号	GB19510002701	申请日期	1951.02.02
申请人	WEDEVAGS BRUKS AKTIEBOLAG	发明人
分类号	B24B19/04	主分类号	B24B19/04
代理机构		代理人
主权项
地址

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