Description: 126 / (10) With Particular Heat Source (E.G.,Non-Combustion) (11) Solar Heat Collector (11.09) For Building (11.1) Part Of, Or Adapted For Use with Building
Hierarchy/Derived subclasses
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search just 126/11.1This 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.