Renate Keller

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Dusseldorf, DE

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Patents Grantslast 30 patents

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Polymeric composition for preventing the formation of scale during...
- Patent number 4,389,324
- Issue date Jun 21, 1983
- Keller & Bobacek GmbH & Co., KG.
- Renate Keller
- C13 - SUGAR INDUSTRY