Commission Regulation (EC) No 492/2003 of 18 March 2003 supplementing the Annex to Regulation (EC) No 2400/96 on the entry of certain names in the "Register of protected designations of origin and protected geographical indications" provided for in Council Regulation (EEC) No 2081/92 on the protection of geographical indications and designations of origin for agricultural products and foodstuffs (Soprèssa Vicentina, Asparago verde di Altedo, Pêra Rocha do Oeste)