Changes made by 77/781/EEC: Commission Decision of 23 November 1977 relating to proceedings under Article 85 of the EEC Treaty (IV/29.428: GEC-Weir Sodium Circulators) (Only the English text is authentic)
EU Decision 1977/781
No changes made by 77/781/EEC: Commission Decision of 23 November 1977 relating to proceedings under Article 85 of the EEC Treaty (IV/29.428: GEC-Weir Sodium Circulators) (Only the English text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.