NF Z17-032*NF EN 14508:2016 Postal services - Quality of service - Measurement of the transit time of end-to-end services for single piece non-priority mail and second class mail
2016NF Z17-032*NF EN 14508:2016 Postal services - Quality of service - Measurement of the transit time of end-to-end services for single piece non-priority mail and second class mail