1. Investigation of methods of circulation of LiBr solution in double-effect absorption refrigerating machine;Yokoyama,1990
2. Two-stage steam absorption chiller;Hitachi Corp,1994
3. Two-stage steam absorption chiller;Kyungwon-Century Corp,1994
4. Steam double-effect lithium bromide absorption chiller;Jiangsu Shuangliang Group Corp,1994
5. Double-effect absorption chiller;Qindao Tonghe Air-Condition Equipment Corp,1994