Invention Grant
- Patent Title: Means for solvent extraction
- Patent Title (中): 溶剂萃取手段
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Application No.: US64723957Application Date: 1957-03-20
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Publication No.: US2997943APublication Date: 1961-08-29
- Inventor: ZIES CARL W
- Applicant: INT BASIC ECONOMY CORP
- Assignee: Int Basic Economy Corp
- Current Assignee: Int Basic Economy Corp
- Priority: US64723957 1957-03-20
- Main IPC: B30B9/12
- IPC: B30B9/12
Information query
