Hebei
China
2
2021-12-09
The entities that hold a legal rights for patent applications filed by inventor Wang Junfeng:
Junfeng Wang from Hebei, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Non-alkali aluminum silicate glass, preparation method therefor and application thereof
#2 | 2021-11-04Aluminosilicate glass composition, aluminosilicate glass, preparation method therefor and application thereof
6575177 ⎘