Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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F02P
IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
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15/00
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
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F02P15/02
Arrangements having two or more sparking plugs
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