COMMON CUSTOMS TARIFF - SCHEME OF GENERALIZED PREFERENCES IN FAVOUR OF DEVELOPING COUNTRIES - ' ' BEANS OF THE GENUS ' PHASEOLUS MUNGO ' ' ' WITHIN THE MEANING OF SUBHEADING 07.05 B I APPEARING IN ANNEX A TO REGULATION NO 2792/79 - CONCEPT - BEANS OF THE ' ' GREEN GRAM ' ' AND ' ' BLACK GRAM ' ' VARIETIES - PRODUCTS COVERED BY THAT CONCEPT ( COUNCIL REGULATION ( EEC ) NO 2792/79 , ANNEX A )