DRILLING RIG MONITORING SYSTEM,申请号GB19800027573-传众专利搜索

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发明名称	DRILLING RIG MONITORING SYSTEM
摘要
申请公布号	GB2057694(B)	申请公布日期	1983.10.26
申请号	GB19800027573	申请日期	1980.08.26
申请人	YUN TAK CHAN	发明人
分类号	E21B44/00;E21B45/00;(IPC1-7):G01D21/02;G01G19/03	主分类号	E21B44/00
代理机构		代理人
主权项
地址

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