CPC Subgroup
C10B 21/20 Methods of heating ovens of the chamber oven type
Full Title
Heating of coke ovens with combustible gases > Methods of heating ovens of the chamber oven type
2 direct subcodes
Child Classifications
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- C10B 21/22 by introducing the heating gas and air at various levels
- C10B 21/26 by introducing the heating gas and air at the top of the vertical flues only