Marwan Rashid Al Dossary

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Dammam, SA

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Patents Grantslast 30 patents

Information Patent Grant
Air filter ultrasonic cleaning systems and the methods of using the...
- Patent number 9,808,840
- Issue date Nov 7, 2017
- Saudi Arabian Oil Company
- Mansour A. Al-Shafei
- B08 - CLEANING

Patents Applicationslast 30 patents

Information Patent Application
AIR FILTER ULTRASONIC CLEANING SYSTEMS AND THE METHODS OF USING THE...
- Publication number 20160107200
- Publication date Apr 21, 2016
- Saudi Arabian Oil Company
- Mansour A. Al-Shafei
- B08 - CLEANING