OIL WELL DRILL PIPE HANDLING APPARATUS,申请号GB19690036953-传众专利搜索

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发明名称	OIL WELL DRILL PIPE HANDLING APPARATUS
摘要
申请公布号	GB1221159(A)	申请公布日期	1971.02.03
申请号	GB19690036953	申请日期	1969.07.23
申请人	LEE C. MOORE CORPORATION	发明人
分类号	E21B19/15	主分类号	E21B19/15
代理机构		代理人
主权项
地址

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