Invention Grant
- Patent Title: Lubricating oil compositions
- Patent Title (中): 润滑油组成
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Application No.: US42454541Application Date: 1941-12-26
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Publication No.: US2377909APublication Date: 1945-06-12
- Inventor: ESS PAUL R VAN , WHITE ELLIS R
- Applicant: SHELL DEV
- Assignee: Shell Development Co
- Current Assignee: Shell Development Co
- Priority: US42454541 1941-12-26
- Main IPC: C10L1/22
- IPC: C10L1/22 ; C10L10/06 ; C10M133/20
Information query
