This is a unique symbol. It potentially relates to a product. To understand completely its meaning, we require more details. Perhaps it is associated with specific system. Investigating the source of this code would be beneficial. Truc Tiep Da Ga Thomo 2023 Thoi gian den tai/vào/cho ??n ngay thang/ngày tháng/ngày/ 15/m??i l?m/n?m m??i