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S.P. Engineering S.R.L.
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Castel Maggiore, Bologna, IT
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last 30 patents
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Patent Grant
Braking mechanism for a roller shade controller, control mechanism...
Patent number
9,523,236
Issue date
Dec 20, 2016
Altex Decoration Limitee
Giovanni Bergamaschi
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS