Sci-tech Presentation in Field of Chemical Materials Held in DPRK
Pyongyang, July 17 (KCNA) -- A national sci-tech presentation in the field of chemical materials took place at the Sci-Tech
July 17, 2024
Pyongyang, July 17 (KCNA) -- A national sci-tech presentation in the field of chemical materials took place at the Sci-Tech