"Steel furrings" CNS Standards List |
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CNS 11984
2017 Edition Steel furrings for wall and ceiling in buildings 建築用暗架式牆壁及平頂輕鋼架 |
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CNS 11984
2012 Edition Steel furrings for wall and ceiling in buildings 建築用暗架式牆壁及平頂輕鋼架 |
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