"specificaton " CNS Standards List| Kinds Dimensions | Balance system | Potassium Hydroxide, | 1800 MHz | Carbon Steel | Potassium Phosphate, | Switches household | Method Test | |
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CNS 13930
2018 Edition ISDN basic user-network interface - Layer 1 specificaton 整體服務數位網路基本用戶網路間介面–第一層規範 |
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