Việt
quang cụ lồi
Anh
convex optical tool
convex tool
Đức
konvexes Optikwerkzeug
erhabene Schale
konvexe Schale
Pháp
balle
convex optical tool,convex tool /INDUSTRY,INDUSTRY-METAL/
[DE] erhabene Schale; konvexe Schale
[EN] convex optical tool; convex tool
[FR] balle
konvexes Optikwerkzeug /nt/SỨ_TT/
[EN] convex optical tool
[VI] quang cụ lồi