Improvements in and relating to gear pumps,申请号GB19420009325-传众专利搜索

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发明名称	Improvements in and relating to gear pumps
摘要
申请公布号	GB556701(A)	申请公布日期	1943.10.18
申请号	GB19420009325	申请日期	1942.07.06
申请人	E.I. DU PONT DE NEMOURS AND CO.	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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