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F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
F01P2070/00—Details
F01P2070/32—Ring-shaped heat exchangers
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FR909841D1944-11-031944-11-03Dispositif échangeur de chaleur pour le refroidissement de moteurs de véhicules automobiles et autres applications
ExpiredFR909841A
(fr)