Summary of Case 21.5184 Heinz Schumacher v. Hauptzollamt Frankfurt-am-Main-Ost 7 March 1989 - World Trade and Arbitration Materials View Summary of Case 21.5184 Heinz Schumacher v. Hauptzollamt Frankfurt-am-Main-Ost 7 March 1989 by - World Trade and Arbitration Materials Summary of Case 21.5184 Heinz Schumacher v. Hauptzollamt Frankfurt-am-Main-Ost 7 March 1989 1 4 World Trade and Arbitration Materials