Invention Grant
- Patent Title: Method of repressuring oil sands
- Patent Title (中): 减轻油砂的方法
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Application No.: US14997926Application Date: 1926-11-22
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Publication No.: US1735646APublication Date: 1929-11-12
- Inventor: LEWIS JAMES O
- Applicant: DUNN & LEWIS
- Assignee: Dunn & Lewis
- Current Assignee: Dunn & Lewis
- Priority: US14997926 1926-11-22
- Main IPC: E21B43/18
- IPC: E21B43/18
Public/Granted literature
- US20170204865A1 EMERGENCY SHUTDOWN SYSTEM FOR TURBINE PUMP ASSEMBLY Public/Granted day:2017-07-20
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