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发明名称
Bottom hole oil treater injector
摘要
申请公布号
US3286771(A)
申请公布日期
1966.11.22
申请号
US19640343740
申请日期
1964.02.10
申请人
AUTOMATION OIL CORPORATION
发明人
SISSON PURDY L.
分类号
E21B37/00;E21B37/08;E21B43/08
主分类号
E21B37/00
代理机构
代理人
主权项
地址
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