Caiyi Wang

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for helium mass spectrometric fine-leak test based on quanti...
- Patent number 9,671,308
- Issue date Jun 6, 2017
- BEIJING KEYTON ELECTRONIC RELAY CORPORATION LTD.
- Genglin Wang
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR HELIUM MASS SPECTROMETRIC FINE-LEAK TEST BASED ON QUANTI...
- Publication number 20140222353
- Publication date Aug 7, 2014
- Genglin Wang
- G01 - MEASURING TESTING