DIFF Subgroup
F26B 23/001 Full Title
Heating arrangements (using heated air or other gases F26B21/00)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
F26B 23/001 Heating arrangements (using heated air or other gases F26B21/00)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.