160940 ⎘
Muffle furnaces; Retort furnaces; Other furnaces in which the charge is held completely isolated
Sub-classes:SYSTEM AND METHODS FOR PROCESSING AN OPTICAL FIBER PREFORM
#2Method for removing refractory metal cores
#3Method for removing refractory metal cores
#4System and methods for processing an optical fiber preform
#5Heat treatment facility
#6Method of operating electric arc furnace
#7Apparatus for treating materials
#8Ergonomic, rotatable electronic component testing apparatus