Description: 126 / (15) Enclosed Combustion Chamber (46) Direct Heating Type (57) Solid Fuel (61) Combustion Air and Flue Gas Circulation (62) Combustion Air Admission

Hierarchy/Derived subclasses

126 / 15

-> 46

-> 57

-> 61

-> 62

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search just 126/62

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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