BORE DRILLING METHOD,申请号JP19830088966-传众专利搜索

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发明名称	BORE DRILLING METHOD
摘要
申请公布号	JPS59213891(A)	申请公布日期	1984.12.03
申请号	JP19830088966	申请日期	1983.05.20
申请人	JIYOUHI JIYUUKI:KK	发明人	FUKUCHI HIROSHI
分类号	E21B7/24;(IPC1-7):E21B7/24	主分类号	E21B7/24
代理机构		代理人
主权项
地址

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