Yongnyang kabyŏnhyŏng chiyŏrwŏn tajung konggan naengnanbang sisŭtʻem =
An edition of Yongnyang kabyŏnhyŏng chiyŏrwŏn tajung konggan naengnanbang sisŭtʻem = (2008)
The development of capacity variable type geo-thermal source multi space cooling & heating system
By Chʻun-u Yi
Publish Date
2008
Publisher
Chisik Kyŏngjebu
Language
kor
Pages
115
Description: