METHOD AND DEVICE FOR TESTING HYDRAULIC CONTROL SYSTEMS
DE2643289A1
Digital meter measuring IC engine speed - counts multiple pulses derived from ignition voltage or shaft rotation and determines ignition timing
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Ignition timing device for IC engine - uses engine and sparking pulses and derives extra pulses with equal repetition frequency or harmonic from comparator
NL7509902A
IC engine parameter determination equipment - has frequency multiplication circuit for signals from ignition circuit and crankshaft
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VEHICLE DIAGNOSTIC SYSTEM
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Device for adjusting a piston of an internal combustion engine to top dead center
