Air injector for water well pressure systems,申请号US19620225338-传众专利搜索

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发明名称	Air injector for water well pressure systems
摘要
申请公布号	US3190223(A)	申请公布日期	1965.06.22
申请号	US19620225338	申请日期	1962.09.21
申请人	BIRDSALL DALE H	发明人	BIRDSALL DALE H.
分类号	F04D13/16	主分类号	F04D13/16
代理机构		代理人
主权项
地址

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