Anh
back rest
back stay
stay
steady
steady rest
work steady
Đức
Brille
Lünette
Setzstock
Pháp
lunette
back rest,back stay,stay,steady,steady rest,work steady /ENG-MECHANICAL/
[DE] Brille; Lünette; Setzstock
[EN] back rest; back stay; stay; steady; steady rest; work steady
[FR] lunette