This part of GB/T 1335 specifies the size definition, size marking, size application and size series of infant and children's clothing. This section applies to mass-produced infant and children's clothing.
GB/T 1335.3-2009 Referenced Document
GB/T 16160 Size definition and method of anthropometric measurement for clothing*, 2018-07-01 Update
GB/T 1335.3-2009 history
2009GB/T 1335.3-2009 Standard sizing systems for garments.Children