"Symbols Electric " CNS Standards List| P V | Method test | Manipulating industrial | Centers Machine | Information technology－Open | Classification labelling | Method test | Structural laminated | |
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CNS 401
1982 Edition Drawing Symbols of Electrical Engineering 電機工程製圖符號（制定及分類） |
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CNS 403
1982 Edition Symbols of Electric Networks 電網及線路符號 |
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