AB Trelleborgplast

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Ljungby, SE

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Patents Grantslast 30 patents

Information Patent Grant
Process of manufacturing a wall having an opening therein, and a do...
- Patent number 4,179,790
- Issue date Dec 25, 1979
- AB Trelleborgplast
- Gosta T. I. Tornerfelt
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS