Beijing
China
2
2018-03-29
The entities that hold a legal rights for patent applications filed by inventor Wang Weijing:
Weijing Wang from Beijing, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD AND APPARATUS FOR TREATING IRON-CONTAINED RAW MATERIAL USING BATH SMELTING FURNACE
#2 | 2017-08-03Method for converting and separating vanadium, titanium, and iron from vanadium-titanium-iron concentrate in one step
1946100 ⎘