Means for determining the fluid level in a well,申请号US19590860870-传众专利搜索

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发明名称	Means for determining the fluid level in a well
摘要
申请公布号	US3100023(A)	申请公布日期	1963.08.06
申请号	US19590860870	申请日期	1959.12.21
申请人	TEXACO INC.	发明人	CLEMENTS ROY J.
分类号	E21B47/04;G01F23/296	主分类号	E21B47/04
代理机构		代理人
主权项
地址

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