Apparatus for starting the flow of flowing wells,申请号US19300482106-传众专利搜索

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发明名称	Apparatus for starting the flow of flowing wells
摘要
申请公布号	US1793193(A)	申请公布日期	1931.02.17
申请号	US19300482106	申请日期	1930.09.15
申请人	PRICE-TRAWICK, INC.	发明人	PRICE FREDERICK
分类号	E21B34/06	主分类号	E21B34/06
代理机构		代理人
主权项
地址

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