Changes made by Commission Directive 79/1073/EEC of 22 November 1979 adapting to technical progress Council Directive 74/347/EEC on the approximation of the laws of the Member States relating to the field of vision and windscreen wipers of wheeled agricultural of forestry tractors
EU Directive 1979/1073
No changes made by Commission Directive 79/1073/EEC of 22 November 1979 adapting to technical progress Council Directive 74/347/EEC on the approximation of the laws of the Member States relating to the field of vision and windscreen wipers of wheeled agricultural of forestry tractors are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.