CPC Subgroup
F02P 17/08 using a cathode-ray oscilloscope (F02P17/06 takes precedence)
Full Title
Testing of ignition installations, e.g. in combination with adjusting (testing fuel injection apparatus F02M65/00; testing ignition installations in general F23Q23/00); Testing of ignition timing in compression-ignition engines > Checking or adjusting ignition timing > dynamically > using a cathode-ray oscilloscope (F02P17/06 takes precedence)