Improvements in or relating to rotary air or other gas compressors or movers or vacuum pumps,申请号GB19380013528-传众专利搜索

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发明名称	Improvements in or relating to rotary air or other gas compressors or movers or vacuum pumps
摘要
申请公布号	GB514415(A)	申请公布日期	1939.11.07
申请号	GB19380013528	申请日期	1938.05.06
申请人	WILLIAM GEORGE HAY;SYDNEY EDGAR WILLETT;CLAYTON DEWANDRE COMPANY LIMITED	发明人
分类号	F04C18/344;F04C18/352	主分类号	F04C18/344
代理机构		代理人
主权项
地址

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