Invention Grant
- Patent Title: Method of beneficiating sand
- Patent Title (中): 选砂方法
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Application No.: US31951052Application Date: 1952-11-08
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Publication No.: US2769540APublication Date: 1956-11-06
- Inventor: BROWN OTTO R
- Applicant: AMERICAN CYANAMID CO
- Assignee: American Cyanamid Co
- Current Assignee: American Cyanamid Co
- Priority: US31951052 1952-11-08
- Main IPC: B03D1/001
- IPC: B03D1/001
Information query
