Überbauung Grüzefeld Winterthur-Mattenbach, Canton Zürich Building data System Element AG Construction period 1965–1967 Involved parties Architects Cramer, Jaray, Paillard (Atelier CJP) Engineers U. Widmer Building owner Baugemeinschaft Grüzefeld, Genossenschaft für Alterswohnungen Executing companies Element AG (Betonelemente)