Invention Grant
- Patent Title: Process of producing tungsten.
- Patent Title (中): 生产过程的过程。
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Application No.: US1912674412Application Date: 1912-01-30
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Publication No.: US1175693APublication Date: 1916-03-14
- Inventor: BOSCH CARL , MITTASCH ALWIN
- Applicant: BASF AG
- Assignee: Basf Ag
- Current Assignee: Basf Ag
- Priority: US1912674412 1912-01-30
Information query
