Marcelo Da Silva Kelin

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Vitoria-Espirito Santo, ES

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Patents Grantslast 30 patents

Information Patent Grant
Process for iron ore pellets production
- Patent number 5,908,166
- Issue date Jun 1, 1999
- Companhia Vale Do Rio Doce
- Geraldo Gon.cedilla.alves Freitas
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...