DIN EN 13850 (2013-04)现行
Postal services - Quality of service - Measurement of the transit time of end-to-end services for single piece priority mail and first class mail
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
SS EN 13850 Ed. 2 (2012) - Identical
SN EN 13850:2013 - Identical
NBN EN 13850:2013 - Identical
NS EN 13850:2012 - Identical
UNI EN 13850:2013 - Identical
ONORM EN 13850:2013 - Identical
UNE EN 13850:2013 - Identical
NF EN 13850:2013 - Identical
