CPC Subgroup
F27B 7/16 the means being fixed relatively to the drum, (F27B7/04 takes precedence)
Full Title
Rotary-drum furnaces, i.e. horizontal or slightly inclined > with means for agitating or moving the charge > the means being fixed relatively to the drum, (F27B7/04 takes precedence)
3 direct subcodes
Child Classifications
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