In July 2009, engineer Huang Yifei successfully applied for a patent for a practical new heat exchanger.
2019-5-15 10:30:24??????view：
In July 2009, engineer Huang Yifei successfully applied for a patent for a practical new heat exchanger.
- 上一篇：On October 20, 2009, the compa 2019/5/15
- 下一篇：Russian customer 2019/5/15
