Description: 126 / (10) With Particular Heat Source (E.G.,Non-Combustion) (11) Solar Heat Collector (11.09) For Building

Hierarchy/Derived subclasses

126 / 10	-> 11	-> 11.09	-> 11.1
			-> 11.11	-> 11.12
			-> 11.13

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search just 126/11.09

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The "search hierarchy!" link will execute this search:
((126/11.09 <IN> CPC) <OR> (126/11.1 <IN> CPC) <OR> (126/11.11 <IN> CPC) <OR> (126/11.12 <IN> CPC) <OR> (126/11.13 <IN> CPC))

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.

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