NF E90-972-4/A1*NF ISO 20283-4/A1:2014 Mechanical vibration - Measurement of vibration on ships - Part 4 : measurement and evaluation of vibration of the ship propulsion machinery - Amendment 1
2014NF E90-972-4/A1*NF ISO 20283-4/A1:2014 Mechanical vibration - Measurement of vibration on ships - Part 4 : measurement and evaluation of vibration of the ship propulsion machinery - Amendment 1