Hans Mathiak

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Bonen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Plug for protecting coke-oven chamber doors from the action of the...
- Patent number 4,231,846
- Issue date Nov 4, 1980
- Ruhrkohle, A.G.
- Hans Mathiak
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...