Beijing
China
4
2013-05-09
The entities that hold a legal rights for patent applications filed by inventor Wei Cundi:
Cundi Wei from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for preparing metallurgical-grade alumina by using fluidized bed fly ash
#2 | 2013-04-04Method for extracting gallium from fly ash
#3 | 2013-03-21METHOD FOR EXTRACTING GALLIUM FROM FLY ASH
#4 | 2013-02-21Vertical ring magnetic separator for de-ironing of pulverized coal ash and method using the same
96454 ⎘