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Sint-Niklaas, BE

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Patents Grantslast 30 patents

Information Patent Grant
Process for continuous production of thin polyurethane foam layers
- Patent number 3,939,235
- Issue date Feb 17, 1976
- Serpo
- Willy F. Poppe
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL