Societe Anonyme Societe Miniere et Metallurgique de Penarroya

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Paris, FR

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Patents Grantslast 30 patents

Information Patent Grant
Process for making non-dusting high lead oxide-low silica additive
- Patent number 4,395,291
- Issue date Jul 26, 1983
- Societe Anonyme Societe Miniere et Metallurgique de Penarroya
- Armand Limare
- C03 - GLASS MINERAL OR SLAG WOOL