煤矿巷道围岩变形监测装置

• Affilication of Author(s):矿业工程学院
• Disigner of the Invention:李彦琪,wanzhijun,雷龙飞,陈思霖,史毛宁,刘月,张书荣,周嘉乐
• Type of Patent:国际
• State of Patent:专利授权
• Application Number:201920367070.9
• Number of Inventors:9
• Service Invention or Not:no
• Application Date:2019-03-21
• Authorization Date:2019-11-26
• First Author:chengjingyi