Juan Leal-Gonzales

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Nuevo Leon, MX

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Patents Grantslast 30 patents

Information Patent Grant
Process for purifying silica sand
- Patent number 5,334,364
- Issue date Aug 2, 1994
- Materias Primas Monterrey, S.A. De C.V.
- Juan-Lauro Aguirre-Villafana
- C03 - GLASS MINERAL OR SLAG WOOL