15:31 03/28/2021 How the Republic of Korea started to use 220v 0 (0) Han Man-chun 1921-1984Korea Electrical Engineering Doctor No. 1Korea’s first analog computer development How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post.
