标准号:IEC 60151-2:1963
发布日期:1963-01-01
Measurements of the electrical properties of electronic tubes and valves - Part 2: Measurement of heater or filament current
IEC 60151-2:1963
标准号:IEC 60151-2:1963
发布日期:1963-01-01
Measurements of the electrical properties of electronic tubes and valves - Part 2: Measurement of heater or filament current
IEC 60151-2:1963