Commission Regulation (EEC) No 51/78 of 10 January 1978 re-establishing the levying of customs duties on gloves, mittens, mitts, stockings, socks and sockettes, not being knitted or crocheted goods falling within heading No 61.10, originating in Hong Kong to which the preferential tariff arrangements set out in Council Regulation (EEC) No 2706/77 apply