Improvements in fitting pumps into deep well piping,申请号GB19290011631-传众专利搜索

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发明名称	Improvements in fitting pumps into deep well piping
摘要
申请公布号	GB331604(A)	申请公布日期	1930.07.10
申请号	GB19290011631	申请日期	1929.04.15
申请人	JOHN ABEL YERKES;REES HUGH LEMMON	发明人
分类号	F04B47/00	主分类号	F04B47/00
代理机构		代理人
主权项
地址

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