Oil field device for determining the liquid level of a mud pit,申请号US19600074665-传众专利搜索

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发明名称	Oil field device for determining the liquid level of a mud pit
摘要
申请公布号	US3138956(A)	申请公布日期	1964.06.30
申请号	US19600074665	申请日期	1960.12.08
申请人	WILLIAM FALGOUT;SOLOMON OTIS M	发明人	FALGOUT WILLIAM;SOLOMON OTIS M.
分类号	G01F23/34	主分类号	G01F23/34
代理机构		代理人
主权项
地址

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