标准摘要
[中文适用范围]： 由于缺乏测量方法的详细描述，因此不适用作为标准意义上的建议。它涉及定义和测量方法，包括测量的相关电路。注意事项参考 [外文原描述]： The contents of the corrigendum of July 1967 have been included in this copy.
英文名称Measurements of the electrical properties of electronic tubes and valves - Part 8: Measurement of cathode heating time and heater warm-up time