Hai Van Do Van

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Hanoi, VN

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Patents Grantslast 30 patents

Information Patent Grant
Valve for rapid inflation and deflation
- Patent number 9,278,641
- Issue date Mar 8, 2016
- Hai Van Do Van
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Valve for rapid inflation and deflation
- Publication number 20140202556
- Publication date Jul 24, 2014
- Hai Van Do Van
- B60 - VEHICLES IN GENERAL