Parke, Davis & Company v. Probel and others. Case 24/67. Decision of February 29, 1968. Preliminary ruling on request of the Court of Appeal, the Hague, the Netherlands - Common Market Law Review View Parke, Davis & Company v. Probel and others. Case 24/67. Decision of February 29, 1968. Preliminary ruling on request of the Court of Appeal, the Hague, the Netherlands by - Common Market Law Review Parke, Davis & Company v. Probel and others. Case 24/67. Decision of February 29, 1968. Preliminary ruling on request of the Court of Appeal, the Hague, the Netherlands 6 1 Common Market Law Review