Daim ntawv pov thawj

Raws li lub Rau Hli 2023, Topband tau thov rau 30 patents, suav nrog 14 qhov kev tso cai tsim khoom, 1 US invention patent, 1 Australian invention patent, thiab 4 cov qauv siv hluav taws xob tso cai.