"Telecommunication:Switching " CNS Standards List| Amyl alcohol | Method Test | Thallium Nitrate | Spiral Wound | Accuracy Inspection | Alloy Tool | Non sparking | Sintered Bronze | |
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CNS 13802-9
2021 Edition Graphical symbols for diagrams (Telecommunication:Switching and peripheral equipment) 電機工程製圖符號(電信:交換及周邊設備) |
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