Regulation (EEC) No 1299/74 of the Commission of 22 May 1974 re-establishing the levying of the customs duties on illuminating glassware, signalling glassware and optical elements of glass, not optically worked or of optical glass, falling within subheading No 70.14 B, originating in Hong Kong, to which the preferential tariff arrangements set out in Council Regulation (EEC) No 3501/73 of 18 December 1973 apply