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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
F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
F01P11/14—Indicating devices; Other safety devices
F01P11/20—Indicating devices; Other safety devices concerning atmospheric freezing conditions, e.g. automatically draining or heating during frosty weather
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FR49210D1937-08-101937-08-10Dispositif destiné à prévenir l'éclatement sous l'effet du gel de récipients renfermant un liquide
ExpiredFR49210E
(fr)
Dispositif destiné à empêcher l'éclatement par le gel des conduites et récipients remplis de liquides ou fluides augmentant de volume par congélation