Jizhao XU

Follow

Person

Xuzhou, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Using horizontal directional drilling and liquid nitrogen cyclic fr...
- Patent number 10,577,891
- Issue date Mar 3, 2020
- SCIENCE ACADEMY OF CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Cheng Zhai
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
using horizontal directional drilling and liquid nitrogen cyclic fr...
- Publication number 20170175489
- Publication date Jun 22, 2017
- Science Academy of China Univerisity of Mining
- Cheng ZHAI
- E21 - EARTH DRILLING MINING