CPC Subgroup
F27B 9/04 adapted for treating the charge in vacuum or special atmosphere
Full Title
Furnaces through which the charge is moved mechanically, e.g. of tunnel type (rotary-drum furnaces with means for agitating or moving the charge F27B7/14); Similar furnaces in which the charge moves by gravity > adapted for treating the charge in vacuum or special atmosphere
2 direct subcodes
Child Classifications
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