Improvements relating to rotary pumps,申请号GB19410014098-传众专利搜索

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发明名称	Improvements relating to rotary pumps
摘要
申请公布号	GB572736(A)	申请公布日期	1945.10.22
申请号	GB19410014098	申请日期	1941.11.01
申请人	PARNALL AIRCRAFT LIMITED;FREDERICK CECIL DRAPER	发明人
分类号	F04C14/22	主分类号	F04C14/22
代理机构		代理人
主权项
地址

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