Improvements in and relating to centrifugal pumps,申请号GB19370002125-传众专利搜索

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发明名称	Improvements in and relating to centrifugal pumps
摘要
申请公布号	GB491244(A)	申请公布日期	1938.08.25
申请号	GB19370002125	申请日期	1937.01.25
申请人	DANIEL VAN DER MERWE HAARHOFF	发明人
分类号	F04D7/04;F04D29/22	主分类号	F04D7/04
代理机构		代理人
主权项
地址

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