CASIA OpenIR
(Note: the search results are based on claimed items)

Browse/Search Results:  1-1 of 1 Help

Filters            
Selected(0)Clear Items/Page:    Sort:
全数字门机控制系统及控制方法 专利
专利类型: 发明专利, 专利号: CN200710179386.7, 申请日期: 2007-12-12, 公开日期: 2009-06-17
Inventors:  张欣;  王云宽;  范国梁;  秦晓飞
Favorite  |  View/Download:3/0  |  Submit date:2020/10/27