
【国外标准】 Maximum acceptable limit for the duration of interruption of telegraph channels arising from failure of the normal power supplies
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2025-06-10
- ITU-T R.81
- 现行
- 定价: 无文本
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标准号:
ITU-T R.81
标准名称:
Maximum acceptable limit for the duration of interruption of telegraph channels arising from failure of the normal power supplies
英文名称:
标准状态:
现行-
发布日期:
2025-11-01 -
实施日期:
出版语种:
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