Heinz Echterhoff

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Essen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of a product with high carbon content fr...
- Patent number 4,209,323
- Issue date Jun 24, 1980
- Verkaufsgesellschaft fur Teererzeugnisse
- Heinz Echterhoff
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...