toughened glass /INDUSTRY-CHEM/
[DE] hochfestes Glas
[EN] toughened glass
[FR] vitrage résistant
hardened glass,heat-treated glass,pre-stressed glass,tempered glass,toughened glass /ENG-ELECTRICAL/
[DE] Hartglas; Sekuritglas; gehaertetes Glas; vorgespanntes Glas
[EN] hardened glass; heat-treated glass; pre-stressed glass; tempered glass; toughened glass
[FR] verre trempé