Invention Grant
- Patent Title: Method of regenerating contact masses
- Patent Title (中): 再生接触质量的方法
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Application No.: US28642039Application Date: 1939-07-25
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Publication No.: US2246367APublication Date: 1941-06-17
- Inventor: KREBS ROBERT W
- Applicant: STANDARD OIL DEV CO
- Assignee: Standard Oil Development Co
- Current Assignee: Standard Oil Development Co
- Priority: US28642039 1939-07-25
- Main IPC: B01J38/12
- IPC: B01J38/12
Information query
