Commission Regulation (EEC) No 1701/80 of 30 June 1980 laying down the scope of the export refunds on cereals and on certain categories of wheat or rye flour, groats and meal fixed by Regulations (EEC) No 289/80, (EEC) No 487/80, (EEC) No 576/80, (EEC) No 741/80 and (EEC) No 1006/80