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Keyword:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| JT/T 646.4-2016 |
(Highway sound barriers - Part 4: acoustic material technical requirements and test methods) 公路声屏障 第4部分：声学材料技术要求及检测方法 |
China Highway & Transportation
Standards Highway sound |
 English PDF |
| JT/T 646.2-2016 |
(Highway sound barriers - Part 2: General Technical Requirements) 公路声屏障 第2部分：总体技术要求 |
China Highway & Transportation
Standards Highway sound |
English PDF |
| JT/T 646.1-2016 |
(Highway sound barrier - Part 1: Classification) 公路声屏障 第1部分：分类 |
China Highway & Transportation
Standards Highway sound |
English PDF |
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