Lianghua Wang

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Hangzhou, CN

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Patents Applicationslast 30 patents

Information Patent Application
Gas-liquid contact tray with fixed valves for mass transfer
- Publication number 20050280169
- Publication date Dec 22, 2005
- CHINA PETROLEUM & CHEMICAL CORPORATION
- Kejian Yao
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL