Việt
quang cụ lõm
Anh
concave optical tool
concave tool
Đức
konkaves Optikwerkzeug
Hohlschale
konkave Schale
Pháp
bassin
concave optical tool,concave tool /INDUSTRY,INDUSTRY-METAL/
[DE] Hohlschale; konkave Schale
[EN] concave optical tool; concave tool
[FR] bassin
konkaves Optikwerkzeug /nt/SỨ_TT/
[EN] concave optical tool
[VI] quang cụ lõm