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发明名称
Method of landing oil well casings
摘要
申请公布号
US1898649(A)
申请公布日期
1933.02.21
申请号
US19300439843
申请日期
1930.03.28
申请人
JAMES WHEELER FLOYD;STANLEY MINOR BURT
发明人
WHEELER FLOYD JAMES;MINOR BURT STANLEY
分类号
E21B43/10
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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