Description: 122 / (109) Fluid Treatment And Handling (127) External Boiler Circuit (134) Condensers (135) Ejectors

Hierarchy/Derived subclasses

122 / 109-> 127-> 134-> 135

CIPO search

search just 122/135

This 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.
Display:

Back