Patent Applicant:杨卫波
Patent description:一种寒区用太阳能-土壤源热泵复合能源系统
Type of Patent:实用新型
State of Patent:终止
Application Number:201120359242.1
Number of Inventors:4
Service Invention or Not:no
Application Date:2011-09-23
Authorization Date:2012-05-30
First Author:Yang Weibo