Changes made by 77/160/EEC: Commission Decision of 20 January 1977 relating to a proceeding under Article 85 of the EEC Treaty (IV/27.442 - Vacuum Interrupters Ltd) (Only the English text is authentic)
EU Decision 1977/160
No changes made by 77/160/EEC: Commission Decision of 20 January 1977 relating to a proceeding under Article 85 of the EEC Treaty (IV/27.442 - Vacuum Interrupters Ltd) (Only the English text is authentic) are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.