Hebei
China
2
2021-12-09
The entities that hold a legal rights for patent applications filed by inventor Yan Dongcheng:
Dongcheng Yan 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
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