Regulation (EEC) No 1807/74 of the Commission of 9 July 1974 re-establishing the levying of the customs duties on image projectors (other than cinematographic projectors); photographic (except cinematographic) enlargers and reducers, falling within subheading 90.09 of the Common Customs Tariff, originating in developing countries, to which the preferential tariff arrangements set out in Council Regulation (EEC) No 3501/73 of 18 December 1973 apply