Improvements in and relating to valve seats,申请号GB19340034145-传众专利搜索

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发明名称	Improvements in and relating to valve seats
摘要
申请公布号	GB432679(A)	申请公布日期	1935.07.31
申请号	GB19340034145	申请日期	1934.11.28
申请人	IVOR LLOYD;RICHARD REGINALD SILLIFANT;JOHN BARRINGTON STILES	发明人
分类号	F01L3/22	主分类号	F01L3/22
代理机构		代理人
主权项
地址

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