Title: : 一种快速接长式钻杆及包括该钻杆的钻具
Affilication of Author(s): : 机械工程学院
Type of Patent: : 发明
Application Number: : 202011641205.X
Number of Inventors: : 1
Service Invention or Not: : no
Application Date: : 2020-12-31
Publication Date: : 2022-02-15
Authorization Date: : 2022-02-15
Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Gender : Male
Education Level : Postgraduate (Doctoral)
Degree : Doctor
Status : Employed
School/Department : 机械工程学院
Date of Employment : 1987-07-01
Business Address : 山东大学千佛山校区创新大厦
The Last Update Time : ..
