Improvements in or relating to rotary-valve internal-combustion engines,申请号GB19400008748-传众专利搜索

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发明名称	Improvements in or relating to rotary-valve internal-combustion engines
摘要
申请公布号	GB534074(A)	申请公布日期	1941.02.26
申请号	GB19400008748	申请日期	1939.09.01
申请人	DAVISON-DOUGLAS CORPORATION	发明人
分类号	F01L7/04	主分类号	F01L7/04
代理机构		代理人
主权项
地址

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