Improvements in or relating to rotary cutting tools for operations such as cutting holes or circular slots,申请号GB19480017344-传众专利搜索

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发明名称	Improvements in or relating to rotary cutting tools for operations such as cutting holes or circular slots
摘要
申请公布号	GB639315(A)	申请公布日期	1950.06.28
申请号	GB19480017344	申请日期	1948.06.28
申请人	HENRY THOMAS BELL	发明人
分类号	B23B51/04	主分类号	B23B51/04
代理机构		代理人
主权项
地址

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