N. Korea may have produced 540kg of highly enriched uranium in Yeongby… stocking 0 23 2021.07.19 09:35 https://youtu.be/bKbYor62E_w + 0 IAEA 前사무차장 "북한 영변서 생산한 고농축우라늄 540kg 추정" A study by a former IAEA official estimates there are over 500 kilograms of highly enriched ...