Invention Grant
- Patent Title: Solvent refining mineral oil
- Patent Title (中): 溶剂精炼矿物油
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Application No.: US1679935Application Date: 1935-04-17
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Publication No.: US2083893APublication Date: 1937-06-15
- Inventor: CLARKE LOUIS A
- Applicant: TEXAS CO
- Assignee: Texas Co
- Current Assignee: Texas Co
- Priority: US1679935 1935-04-17
- Main IPC: C10G21/20
- IPC: C10G21/20
Information query
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