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Priority claimed from FR8023787Aexternal-prioritypatent/FR2493968B1/en
Priority claimed from FR8119454Aexternal-prioritypatent/FR2514869B2/en
STOVE FOR HEATING WITH TRADITIONAL SOLID, LIQUID OR GASEOUS FUELS, WITH CIRCULATION OF COMBUSTION SMOKES IN COUNTER CURRENT THROUGH CAVITY DUCTS PLACED OUTSIDE THE REFRACTORY INSULATION.