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G.S. Georg Stemeseder GmbH is the manufacturer of AltoNova - wooden window frame protective systems made of aluminium. In addition to the aluminium profiles for wooden window frames, aluminium solutions are also produced for shutters and doors.
Since the beginning of the 90s, G.S. Georg Stemeseder GmbH is also responsible for the general distribution of Colombo-Design - high-quality door fittings from Italy - for Austria and Germany.