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Keithley 610B: Difference between revisions
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approx. year from schematic
No edit summary |
(approx. year from schematic) |
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|image=Keithley 610B front.jpg | |image=Keithley 610B front.jpg | ||
|caption=Keithley 610B, frontal view | |caption=Keithley 610B, frontal view | ||
|introduced= | |introduced=1964 | ||
|discontinued=(?) | |discontinued=(?) | ||
|designers= | |designers= | ||