DOWN-HOLE LIQUID DETECTING APPARATUS,申请号GB19900004694-传众专利搜索

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发明名称	DOWN-HOLE LIQUID DETECTING APPARATUS
摘要
申请公布号	GB9004694(D0)	申请公布日期	1990.04.25
申请号	GB19900004694	申请日期	1990.03.02
申请人	SOLINST CANADA LIMITED	发明人
分类号	E21B41/00;E21B47/04;E21B47/10;G01F23/00;G01F23/24;G01F23/292	主分类号	E21B41/00
代理机构		代理人
主权项
地址

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