LIANCHENG ZHANG

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Patents Grantslast 30 patents

Information Patent Grant
Isolated refuge cabin
- Patent number 8,789,315
- Issue date Jul 29, 2014
- The General Hospital of Shenyang Military Region of the Chinese People's Libe...
- Yaling Han
- A62 - LIFE-SAVING FIRE-FIGHTING

Patents Applicationslast 30 patents

Information Patent Application
ISOLATED REFUGE CABIN
- Publication number 20140076324
- Publication date Mar 20, 2014
- The General Hospital Of Shenyang Military Region Of The Chinese People's Lib...
- YALING HAN
- E21 - EARTH DRILLING MINING
Information Patent Application
ISOLATED REFUGE CABIN
- Publication number 20110107681
- Publication date May 12, 2011
- Liancheng Zhang
- E21 - EARTH DRILLING MINING