Improved tool for use in lapping the disc faces of valves on their seats,申请号GB19370008117-传众专利搜索

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发明名称	Improved tool for use in lapping the disc faces of valves on their seats
摘要
申请公布号	GB480553(A)	申请公布日期	1938.02.24
申请号	GB19370008117	申请日期	1937.03.19
申请人	BABCOCK & WILCOX LIMITED;JOHN HENDRY GIBSON	发明人
分类号	B24B15/00	主分类号	B24B15/00
代理机构		代理人
主权项
地址

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