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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 23439-2017/XG1-2018 |
Expansive agents for concrete 《混凝土膨胀剂》国家标准第1号修改单 |
China National Standards Expansive agents concrete |
 English PDF |
| GB/T 23439-2017 |
Expansive agents for concrete 混凝土膨胀剂 |
China National Standards Expansive agents concrete |
English PDF |
| GB 23439-2009 |
Expansive agents for concrete 混凝土膨胀剂 |
China National Standards Expansive agents concrete |
English PDF |
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