Improvements in or relating to rotary pumps and engines of the gear-wheel type,申请号GB19430009294-传众专利搜索

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发明名称	Improvements in or relating to rotary pumps and engines of the gear-wheel type
摘要
申请公布号	GB574364(A)	申请公布日期	1946.01.02
申请号	GB19430009294	申请日期	1943.06.09
申请人	FRANK ROBERT BELL;CHARLES ALAN JUDSON;LIONEL HAWORTH	发明人
分类号	F04C2/08	主分类号	F04C2/08
代理机构		代理人
主权项
地址

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