MANAGEMENT OF DRILLING,申请号JP19880114149-传众专利搜索

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发明名称	MANAGEMENT OF DRILLING
摘要
申请公布号	JPH01284691(A)	申请公布日期	1989.11.15
申请号	JP19880114149	申请日期	1988.05.11
申请人	MITANI SEKISAN CO LTD	发明人	KATO YOICHI
分类号	E21B44/00;E21B44/04	主分类号	E21B44/00
代理机构		代理人
主权项
地址

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