Device for the treatment of a stream of aluminum or magnesium-ba
Device for the uniform spreading of covering material
Device for treatment of iron alloys in vessel
Device of refractory porous material for blowing gas into a bath
Discharge nozzle assembly and methods of formation and operation
Dispersing gas into molten metal
Disposable bed filter apparatus
Drive for automatic lance change devices
Dual action lance for ladles
Dual fuel burner for metal melting furnaces