Description: 122 / (109) Fluid Treatment And Handling (110) Superheat and Reheat (123) Flue Superheater (124) Return Tube Type
Hierarchy/Derived subclasses
CIPO search
search just 122/124This will show what classes derive from the input. Ex: entering 78/35 shows the derived classes and the search that can be used to find
patents in those subclasses.