Changes made by Council Directive 84/537/EEC of 17 September 1984 on the approximation of the laws of the Member States relating to the permissible sound power level of powered hand- held concrete-breakers and picks
EU Directive 1984/537
No changes made by Council Directive 84/537/EEC of 17 September 1984 on the approximation of the laws of the Member States relating to the permissible sound power level of powered hand- held concrete-breakers and picks are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.