Anh
crown plate
crown sheet
roof of fire-box
furnace crown
Đức
Feuerbüchsdecke
Feuerraumdecke
Pháp
ciel de foyer
ciel de foyer /TECH/
[DE] Feuerbüchsdecke
[EN] crown plate; crown sheet; roof of fire-box
[FR] ciel de foyer
ciel de foyer /ENG-MECHANICAL/
[DE] Feuerraumdecke
[EN] furnace crown