一种潜孔锤钻具防卡钻钻杆及防卡钻潜孔锤钻具
Date:2022-11-01 clicks:
Type of Patent:Utility models
State of Patent:Authorized patents
Authorization number:ZL201620863850.9
Service Invention or Not:yes
Faculty
Wuchunping
Supervisor of Doctorate Candidates
Name (English):Wuchunping
School/Department:土木与资源工程学院
Gender:Male
Contact Information:clydewu@ustb.edu.cn
Professional Title:Professor
Discipline:
Mining Engineering
PostalAddress:
Email:
Type of Patent:Utility models
State of Patent:Authorized patents
Authorization number:ZL201620863850.9
Service Invention or Not:yes