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经营范围
发明名称
Apparatus for flowing wells
摘要
申请公布号
US2029457(A)
申请公布日期
1936.02.04
申请号
US19340737621
申请日期
1934.07.30
申请人
INDIAN TERRITORY ILLUMINATING OIL COMPANY
发明人
BEARDMORE HERBERT F.
分类号
E21B34/06
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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