| 标准编号 | DIN EN 50090-5-2 (2004-09) |
| 标准名称 | Home and Building Electronic Systems (HBES) - Part 5-2: Media and media dependent layers - Network based on HBES Class 1, Twisted Pair; German version EN 50090-5-2:2004, text English |
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| 发布日期 | 2004-09-01 |
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| 前言 | |
| 无 |
