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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 41163-2021 |
Specification for process design of enhancing coal seam permeability by water jet in coalmine 煤矿井下煤层水射流冲击增透工艺设计规范 |
China National Standards enhancing |
 English PDF |
| GB/T 33588.7-2020 |
Lightning protection system components (LPSC)—Part 7: Requirements for earthing enhancing compounds 雷电防护系统部件（LPSC）第7部分：接地降阻材料的要求 |
China National Standards enhancing |
English PDF |
| GB/T 26339-2010 |
Ophthalmic optics and instruments - Electro-optical devices for enhancing low vision 眼科光学与设备 电子助视器 |
China National Standards enhancing |
English PDF |
| GB 23719-2009 |
Ophthalmic optics and instruments - Optical devices for enhancing low vision 眼科光学和仪器 光学助视器 |
China National Standards enhancing |
English PDF |
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