CPC Subgroup
C10B 33/02 Extracting coke with built-in devices, e.g. gears, screws
Full Title
Discharging devices; Coke guides > Extracting coke with built-in devices, e.g. gears, screws
C10B 33/02 Discharging devices; Coke guides > Extracting coke with built-in devices, e.g. gears, screws