Walt Wilhelm and Others v. Bundeskartellamt. Case 14/68. Decision of February 13, 1969. Preliminary ruling at the request of the Kartellsenat of the Berlin Kammergericht - Common Market Law Review View Walt Wilhelm and Others v. Bundeskartellamt. Case 14/68. Decision of February 13, 1969. Preliminary ruling at the request of the Kartellsenat of the Berlin Kammergericht by - Common Market Law Review Walt Wilhelm and Others v. Bundeskartellamt. Case 14/68. Decision of February 13, 1969. Preliminary ruling at the request of the Kartellsenat of the Berlin Kammergericht 6 4 Common Market Law Review