Beijing
China
3
2013-05-09
The entities that hold a legal rights for patent applications filed by inventor Chi Junzhou:
Junzhou Chi 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 | 2013-03-21METHOD FOR EXTRACTING GALLIUM FROM FLY ASH
#3 | 2013-02-21Vertical ring magnetic separator for de-ironing of pulverized coal ash and method using the same
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