Ing. Friedrich Ullner, Bautechnische Kuehlraumausstattung

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Patents Grantslast 30 patents

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Airtight closing sliding door with contact pressure and integrated...
- Patent number 4,731,950
- Issue date Mar 22, 1988
- Ing. Friedrich Ullner, Bautechnische Kuehlraumausstattung
- Friedrich Ullner
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES