Thaum Lub Kaum Ob Hlis 1, 2023, Tuam Tshoj tau ntxiv qhov kev tso cai tshiab patent tso cai "Ib qho tsis siv neeg tua hluav taws tua hluav taws rau cov hmoov txau hauv tsev"
Thaum Lub Kaum Ob Hlis 1, 2023, JOBON Ntxiv Qhov Kev Tsim Kho Tshiab Patent
Dec 05, 2023
