Việt
vỉa than dốc nghiêng
than giòn ánh
than nâu
Anh
pitch coal
Pech coal
parrot coal
Đức
Pechkohle
Pháp
charbon de brai
charbon piciforme
houille pisciforme
houille poisseuse
Pechkohle /die/
than nâu;
Pechkohle /f/THAN/
[EN] pitch coal
[VI] vỉa than dốc nghiêng; than giòn ánh
Pechkohle /SCIENCE/
[DE] Pechkohle
[EN] Pech coal; parrot coal; pitch coal
[FR] charbon de brai; charbon piciforme; houille pisciforme; houille poisseuse