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Publication of FR557595ApublicationCriticalpatent/FR557595A/fr
F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
F02P15/00—Electric spark ignition having characteristics not provided for in, or of interest apart from, groups F02P1/00 - F02P13/00 and combined with layout of ignition circuits
F02P15/02—Arrangements having two or more sparking plugs
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FR557595D1922-10-191922-10-19Support pour bougies de rechange pour moteurs à explosions
ExpiredFR557595A
(fr)