Title:
Process for cleaning coal by dense medium
United States Patent 3031074
Inventors:
Hirosaburo, Osawa
Publication Date:
04/24/1962
Assignee:
Hirosaburo, Osawa
Other Classes:
209/172.500
International Classes:
B03B5/30; B03B5/28
US Patent References:
| 2686593 | Production and use of stabilized suspensions in water | | | |
| 2690261 | Concentration of minerals | | | |