Anh
inspection port
Đức
Inspektionsfenster
Kontrollfenster
Schaukasten
Pháp
trou de visite
regard de visite
inspection port /TECH/
[DE] Inspektionsfenster; Kontrollfenster
[EN] inspection port
[FR] trou de visite
inspection port /TECH,INDUSTRY/
[DE] Schaukasten
[FR] regard de visite