Improvements in centrifugal pumps of the self-priming type,申请号GB19310009546-传众专利搜索

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发明名称	Improvements in centrifugal pumps of the self-priming type
摘要
申请公布号	GB369411(A)	申请公布日期	1932.03.24
申请号	GB19310009546	申请日期	1931.03.30
申请人	DRYSDALE & COMPANY LIMITED;JOHN WHITEHEAD WILSON DRYSDALE	发明人
分类号	F04D9/04	主分类号	F04D9/04
代理机构		代理人
主权项
地址

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