Hongquan Ma

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Pulse heating-time of flight mass spectrometric gas elements analyzer
- Patent number 7,847,242
- Issue date Dec 7, 2010
- Central Iron & Steel Research Institute
- Haizhou Wang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PULSE HEATING-TIME OF FLIGHT MASS SPECTROMETRIC GAS ELEMENTS ANALYZER
- Publication number 20090121129
- Publication date May 14, 2009
- Central Iron & Steel Research Institute
- Haizhou Wang
- G01 - MEASURING TESTING