Rolf Velmin

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Lakewood, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Coke delivery apparatus and method
- Patent number 4,391,674
- Issue date Jul 5, 1983
- Republic Steel Corporation
- Rolf Velmin
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...