Commission Directive 93/17/EEC of 30 March 1993 determining Community grades of basic seed potatoes, together with the conditions and designations applicable to such grades
Direktiva Komisije 93/17/EGS z dne 30. marca 1993 o določitvi stopenj Skupnosti za osnovni semenski krompir, skupaj s pogoji in označbami, ki se uporabljajo za te stopnje