Improvements in or relating to valve seat inserts,申请号GB19440014099-传众专利搜索

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发明名称	Improvements in or relating to valve seat inserts
摘要
申请公布号	GB573686(A)	申请公布日期	1945.11.30
申请号	GB19440014099	申请日期	1944.07.24
申请人	THOMPSON PRODUCTS, INCORPORATED	发明人
分类号	F01L3/20	主分类号	F01L3/20
代理机构		代理人
主权项
地址

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