"Seated" CNS Standards List| Methods Waterproof | Sulfuric acid | Flat File | Rubber Tires | Corrugating medium | Chain link | Unplasticized Polyvinyl | Determination p | |
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CNS 12744
2017 Edition Wafer-Type Rubber-Seated Butterfly Valves 一般用蝶型閥 |
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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 12744
1998 Edition Wafer-Type Rubber-Seated Butterfly Valves 一般用蝶型閥 |
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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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