Invention Grant
- Patent Title: Apparatus for fractional distillation
- Patent Title (中): 分馏装置
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Application No.: US41851841Application Date: 1941-11-10
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Publication No.: US2404789APublication Date: 1946-07-30
- Inventor: BURK ROBERT E , EINAR KROPP
- Applicant: STANDARD OIL CO
- Assignee: Standard Oil Co
- Current Assignee: Standard Oil Co
- Priority: US41851841 1941-11-10
- Main IPC: B01D3/28
- IPC: B01D3/28
Information query
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