Changes made by 79/453/EEC: Commission Decision of 27 April 1979 excluding from admission free of Common Customs Tariff duties the scientific apparatus described as 'Varian vacuum system Leed/Auger/RFA, type 981-2001 A2/B1' with accessories
EU Decision 1979/453
No changes made by 79/453/EEC: Commission Decision of 27 April 1979 excluding from admission free of Common Customs Tariff duties the scientific apparatus described as 'Varian vacuum system Leed/Auger/RFA, type 981-2001 A2/B1' with accessories are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.