Empresa Nacional Siderugica, S.A.

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Patents Grantslast 30 patents

Information Patent Grant
Support for a device for cleaning the doors of a battery-arranged c...
- Patent number 4,863,569
- Issue date Sep 5, 1989
- Empresa Nacional Siderugica, S.A.
- Gerardo A. Marin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...