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Allegonda Petronella Gerarda Beulen
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Reuver, NL
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last 30 patents
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Patent Grant
Roller shutter having a smooth outer surface
Patent number
8,607,840
Issue date
Dec 17, 2013
Stayl GmbH
Allegonda Petronella Gerarda Beulen
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS