Judgment of the Court (First Chamber) of 3 October 2002 in Case C-347/00 (Reference for a preliminary ruling from the Juzgado de lo Social n 3 de Orense): Ángel Barreira Pérez v Instituto Nacional de la Seguridad Social (INSS), Tesorería General de la Seguridad Social (TGSS) (Regulation (EEC) No 1408/71 — Articles 1(r) and (s) and 46(2) — Award of pension rights — Periods of insurance completed before the materialisation of the risk — Periods of notional contribution)