一种采煤机滚筒自动调高系统

• Affilication of Author(s):安全工程学院
• Scope of patent:国内
• School Sign:第一单位
• Disigner of the Invention:郝海清,陈瑞鼎,jiangshuguang,wuzhengyan,peixiaodong,奚弦,郭朝伟
• Type of Patent:国内
• State of Patent:专利授权
• Application Number:202110637129.3
• Service Invention or Not:no
• Application Date:2021-06-08
• Publication Date:2021-08-10
• Authorization Date:2022-09-27
• First Author:wangkai