Changes made by 77/381/EEC: Commission Decision of 23 May 1977 excluding from admission free of Common Customs Tariff duties the scientific apparatus described as 'Packard automatic gamma counter' , with teletype
EU Decision 1977/381
No changes made by 77/381/EEC: Commission Decision of 23 May 1977 excluding from admission free of Common Customs Tariff duties the scientific apparatus described as 'Packard automatic gamma counter' , with teletype are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.