sealing disc,sealing disk /ENG-MECHANICAL/
[DE] Dichtscheibe
[EN] sealing disc; sealing disk
[FR] disque d' étanchéité
closure liner,closure seal,sealing disk /TECH,INDUSTRY/
[DE] Verdichtungs|scheibe; Verschlusseinlage|scheibe
[EN] closure liner; closure seal; sealing disk
[FR] disque d' obturation; disque de couverture; doublure pour fermetures