Affilication of Author(s):机械工程学院
Patent Applicant:Zengcai Wang
Type of Patent:发明
Application Number:200910016415.7
Number of Inventors:1
Service Invention or Not:no
Application Date:2009-06-19
Zengcai Wang
Professor
No content
Patents
一种井下测压井上截流控制的深井注浆减压系统
Release time:2019-04-15|Hits:
- Pre One:
- 喷气式车身稳定辅助装置
- Next One:
- 一种带式输送机驱动系统