Commission Regulation (EEC) No 4128/87 of 9 December 1987 laying down conditions for the entry of flue-cured Virginia type, light air-cured Burley type (including Burley hybrids), light air-cured Maryland type and fire-cured tobacco, falling within subheadings 2401 10 10 to 2401 10 49 and 2401 20 10 to 2401 20 49 of the combined nomenclature