Changes made by 79/315/EEC: Commission Decision of 8 March 1979 excluding from admission free of Common Customs Tariff duties the scientific apparatus described as 'PGT intrinsic germanium detector, model IGC 13' with preamplifier model RG-11AC
EU Decision 1979/315
No changes made by 79/315/EEC: Commission Decision of 8 March 1979 excluding from admission free of Common Customs Tariff duties the scientific apparatus described as 'PGT intrinsic germanium detector, model IGC 13' with preamplifier model RG-11AC are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.