Improvements in and relating to abrasive wheel dressers,申请号GB19390020239-传众专利搜索

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发明名称	Improvements in and relating to abrasive wheel dressers
摘要
申请公布号	GB531111(A)	申请公布日期	1940.12.30
申请号	GB19390020239	申请日期	1939.07.12
申请人	JOHN HENRY STRINGFELLOW	发明人
分类号	B24B53/14	主分类号	B24B53/14
代理机构		代理人
主权项
地址

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