ISO


  • TS EN ISO 5832 Kev cog hniav rau kev phais - Cov khoom siv hlau
  • TS EN ISO 286-2-2010 Geometrical khoom specifications (GPS)-lS0 code system rau toleranceson linear qhov ntau thiab tsawg
  • TS EN ISO 5832 Kev cog hniav rau kev phais - Cov khoom siv hlau