Description: 84 / (38) Wind Instruments (39) Gas Reed (43) Single Chamber (Steam Whistles) (44) No Wind Supply (Flute) (45) Piston Type
Hierarchy/Derived subclasses
CIPO search
search just 84/45This 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.