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- ITU-T E.522 Number of circuits in a high-usage group
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适用范围:
暂无
标准号:
ITU-T E.522
标准名称:
Number of circuits in a high-usage group
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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