Etablissements Consten S.A. and Grundig-Verkaufs GmbH vs E.E.C.- Commission. Consolidated cases 56 and 58/64. Decision of July 13, 1966 - Common Market Law Review View Etablissements Consten S.A. and Grundig-Verkaufs GmbH vs E.E.C.- Commission. Consolidated cases 56 and 58/64. Decision of July 13, 1966 by Jerry L. Mashaw - Common Market Law Review Etablissements Consten S.A. and Grundig-Verkaufs GmbH vs E.E.C.- Commission. Consolidated cases 56 and 58/64. Decision of July 13, 1966 Jerry L. Mashaw 4 2 Common Market Law Review