Invention Grant
- Patent Title: Lubricating oil blend
- Patent Title (中): 润滑油混合
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Application No.: US43908242Application Date: 1942-04-15
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Publication No.: US2344912APublication Date: 1944-03-21
- Inventor: YOUNG DAVID W , EVANS HECTOR C
- Applicant: STANDARD OIL DEV CO
- Assignee: Standard Oil Development Co
- Current Assignee: Standard Oil Development Co
- Priority: US43908242 1942-04-15
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