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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 43383-2023 |
Ships and Offshore Technology Marine manhole Covers {译} 船舶和海上技术 船用人孔盖 |
China National Standards manhole |
 English PDF |
| GB/T 24721.4-2023 |
Glass fiber reinforced plastic products for road use - Part 4: Unpressurized communication manhole covers {译} 公路用玻璃纤维增强塑料产品 第4部分：非承压通信井盖 |
China National Standards manhole |
English PDF |
| GB/T 41401-2022 |
Intelligent manhole cover {译} 智能井盖 |
China National Standards manhole |
English PDF |
| GB/T 41048-2021 |
Technical requirements for plastics inspection chamber and manhole for urban drainage 城镇排水用塑料检查井技术要求 |
China National Standards manhole |
English PDF |
| GB 26537-2011 |
Steet fiber reinforced concrete manhole cover 钢纤维混凝土检查井盖 |
China National Standards manhole |
English PDF |
| GB/T 23858-2009 |
manhole cover 检查井盖 |
China National Standards manhole |
English PDF |
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