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|image=Keithley 610C front.jpg | |image=Keithley 610C front.jpg | ||
|caption=Keithley 610C, frontal view (desktop enclosure, a rack version was also made) | |caption=Keithley 610C, frontal view (desktop enclosure, a rack version was also made) | ||
|introduced= | |introduced=1968 | ||
|discontinued=(?) | |discontinued=(?) | ||
|designers= | |designers= |