Juan José Espina Frutos

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35118 Arinaga (Las Palmas), ES

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Patents Grantslast 30 patents

Information Patent Grant
Device for capturing dust in the loading of concrete mixer trucks
- Patent number 6,491,070
- Issue date Dec 10, 2002
- Juan José Espina Frutos
- B28 - WORKING CEMENT, CLAY, OR STONE