Improvements in or relating to pneumatically activated well pump,申请号GB19550014196-传众专利搜索

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发明名称	Improvements in or relating to pneumatically activated well pump
摘要
申请公布号	GB770093(A)	申请公布日期	1957.03.13
申请号	GB19550014196	申请日期	1955.05.17
申请人	EDWARD HENRY HEDDY	发明人
分类号	F04B47/08	主分类号	F04B47/08
代理机构		代理人
主权项
地址

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