Antonio Jorge Leitao Schilling

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Porto Alegre, BR

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Patents Grantslast 30 patents

Information Patent Grant
System for draining a liquid storage tank
- Patent number 5,935,427
- Issue date Aug 10, 1999
- Petoleo Brasileiro SA--Petrobras
- Aldyr Witter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL