Grinding taps for use in cutting screw-threads,申请号GB19420007293-传众专利搜索

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发明名称	Grinding taps for use in cutting screw-threads
摘要
申请公布号	GB551850(A)	申请公布日期	1943.03.11
申请号	GB19420007293	申请日期	1942.05.29
申请人	THE AUTO MACHINERY COMPANY LIMITED;BERNARD LEEDHAM	发明人
分类号	B24B3/18	主分类号	B24B3/18
代理机构		代理人
主权项
地址

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