Arc regulating system
Arc voltage control for consumable electrode furnaces
Arch support for open hearth furnaces
Archstones for refractory vaults produced from these archstones
Arcuate silicon carbide manufacturing plant
Arrangement for feeding black liquor into a recovery boiler
Arrangement for mounting a refractory plate in a frame
Aspirating nozzle with quick change liner
Assembly for insertion in a blast furnace wall
Atmospheric control of flux pre-melting furnace
Automated installation for piercing and cleaning of...
Automatic coal stoker with increased sensible heat outflow
Automatic coffee maker with audible signal means
Automatic gas hookup to a ladle
Automatic speed control and programming system high-speed...
Automatic tapping machine
Automatic tuyere punching apparatus
Auxiliary flue for furnaces