DIFF Subgroup Additional Only
C03B 2211/22 by direct combustion in the melt
Full Title
Heating processes for glass melting in glass melting furnaces > Submerged gas heating > by direct combustion in the melt
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.