Improvements in or relating to the valves of internal combustion engines,申请号GB19440020517-传众专利搜索

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发明名称	Improvements in or relating to the valves of internal combustion engines
摘要
申请公布号	GB575152(A)	申请公布日期	1946.02.05
申请号	GB19440020517	申请日期	1944.10.23
申请人	WILLIAM ARTHUR HEADFORD	发明人
分类号	F01L3/00	主分类号	F01L3/00
代理机构		代理人
主权项
地址

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