"Closers " CNS Standards List| Method Calculating | Evaluation methods | Chisels Stone | Household similar | Exhaust Muffler | Hard Lead | Lifejackets（Inflatable） | Type A1 | |
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CNS 4725
2021 Edition Testing Methods for Checking Floor-Hinges and Door-Closers 地鉸鏈及關門器檢驗法 |
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CNS 4723
2019 Edition Door Closers 關門器 |
Translated |
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