METHOD OF MOUNTING IN PLACE A DRILLING RIG,申请号PL19860259411-传众专利搜索

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发明名称	METHOD OF MOUNTING IN PLACE A DRILLING RIG
摘要
申请公布号	PL148816(B1)	申请公布日期	1989.12.30
申请号	PL19860259411	申请日期	1986.05.09
申请人		发明人
分类号	(IPC1-7):E21C11/00	主分类号	(IPC1-7):E21C11/00
代理机构		代理人
主权项
地址

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