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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 18742.3-2017 |
Polypropylene(PP) piping systems for hot and cold water installations—Part 3:Fittings 冷热水用聚丙烯管道系统 第3部分：管件 |
China National Standards 3:Fittings |
 English PDF |
| GB/T 19473.3-2004 |
Polybutylene(PB) piping systems for hot and cold water installations--Part 3:Fittings 冷热水用聚丁烯(PB)管道系统 第3部分:管件 |
China National Standards 3:Fittings |
English PDF |
| GB/T 18742.3-2002 |
Polypropylene piping systems for hot and cold water installations--Part 3:Fittings 冷热水用聚丙烯管道系统 第3部分:管件 |
China National Standards 3:Fittings |
English PDF |
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