74729749
Sep 15, 1995
Aug 27, 1996
refractory insulated furnace doors for steel reheat furnaces and components thereof, namely door seals, refractory insulated door segments, cast refractory members, refractory fiber insulation modules and furnace door replacement parts; steel annealing furnace bases and components thereof, namely refractory fiber seals, cast refractory furnace base segments and furnace base replacement parts; convector plates for annealing furnaces
Environmental Control Apparatus