Graphen Far-Infrared Rays Heating Element Developed in DPRK
Pyongyang, August 7 (KCNA) -- According to Rodong Sinmun, the Nano Engineering Branch of the State Academy of Sciences in the DPRK
August 07, 2025
Pyongyang, August 7 (KCNA) -- According to Rodong Sinmun, the Nano Engineering Branch of the State Academy of Sciences in the DPRK