Apparatus for reclaiming drilling fluids,申请号US19360116605-传众专利搜索

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发明名称	Apparatus for reclaiming drilling fluids
摘要
申请公布号	US2142270(A)	申请公布日期	1939.01.03
申请号	US19360116605	申请日期	1936.12.18
申请人	GULF OIL CORPORATION	发明人	HENST JAN VANDER
分类号	E21B21/06	主分类号	E21B21/06
代理机构		代理人
主权项
地址

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