Agitator and melting furnace with agitator
Agitator, agitating method, and melting furnace with agitator
Air cooled gas injection lance
Air cooled refractory lance
Air slot cooking grill
Air-coded refractory guide tube for installation in the wall...
Airlocking system and method for controlling flow of bulk...
Alloy wall supporting structure
Altering the appearance of corundum crystals
An improvement in a grate bar for pelletizing and sintering...
An induction furnace
Anchor system for refractory lining
Anchorage assembly for refractory lining of a furnace
Anchoring refractory materials to a refractory lining
Annular tuyere and method
Anode for a direct current arc furnace
Anode for a direct current arc furnace
Anode for a direct-current electric arc furnace
Anthelmintic composition for domestic animals
Apparatus and method for assembling planetary cooler tubes...