Portable oil well drilling apparatus,申请号US19600074869-传众专利搜索

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发明名称	Portable oil well drilling apparatus
摘要
申请公布号	US3136394(A)	申请公布日期	1964.06.09
申请号	US19600074869	申请日期	1960.12.09
申请人	LEE C. MOORE CORPORATION	发明人	WOOLSLAYER HOMER J.;JENKINS CECIL
分类号	E21B15/00	主分类号	E21B15/00
代理机构		代理人
主权项
地址

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