Invention Grant
- Patent Title: Handling sulphur
- Patent Title (中): 处理硫磺
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Application No.: US55197431Application Date: 1931-07-20
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Publication No.: US1993973APublication Date: 1935-03-12
- Inventor: MCNEIL CLAUDE P
- Applicant: STANDARD OIL CO
- Assignee: Standard Oil Co
- Current Assignee: Standard Oil Co
- Priority: US55197431 1931-07-20
- Main IPC: C01B17/10
- IPC: C01B17/10
Information query
