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Norbert Hoefner
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Landshut, DE
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Patent Grant
Vertical-lift door assembly and lintel sealing unit therefor
Patent number
9,273,513
Issue date
Mar 1, 2016
EFALEX Tor-und Sicherheitssysteme GmbH & Co. KG
JoJo{hacek over (z)}e Breznikar
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS