"Resilient Seated " CNS Standards List| Guidance project | Information documentation | Polishers | Methods test | Guide Tap | Information technology | Method test | 6 6 | |
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CNS 12795
2017 Edition Resilient - Seated Gate Valves For Water Works 水道用彈性座封閘閥 |
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CNS 12795
1993 Edition Resilient - Seated Gate Valves For Water Works 水道用彈性座封閘閥 |
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