Katsuya Tsukamoto

Katsuya Tsukamoto is Head, Security and Economy Division, National Institute for Defense Studies, Ministry of Defense.

speaking-out-u-s-military-contributed-to-developing-corona-vaccine

ワクチン開発に貢献した米軍事研究機関

Katsuya Tsukamoto 1月 29, 2021

米国では新型コロ