Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 39131-2020 |
Terms and definitions of synthetic crystal materials 人工晶体材料术语 |
China National Standards Terms definitions synthetic |
English PDF |
GB/T 13759-2009 |
Geosynthetics - Terms and definitions 土工合成材料 术语和定义 |
China National Standards Terms definitions synthetic |
English PDF |
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