Changes to 93/17/EEC: Council Decision of 21 December 1992 amending Decision 90/510/EEC on the extension of the legal protection of topographies of semiconductor products to persons from certain countries and territories
EU Decision 1993/17
No changes to 93/17/EEC: Council Decision of 21 December 1992 amending Decision 90/510/EEC on the extension of the legal protection of topographies of semiconductor products to persons from certain countries and territories are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.