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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 37812-2019 |
General matching specification for fully-mechanized top coal caving mining face in deeply inclined coal seam 大倾角综放工作面总体配套技术条件 |
China National Standards General specification deep |
 English PDF |
| GB/T 37809-2019 |
General matching specification for fully-mechanized coal mining face in deeply inclined coal seam 大倾角综采工作面总体配套技术条件 |
China National Standards General specification deep |
English PDF |
| GB/T 36222-2018 |
General specification for deep groove bearings of aircraft generators and motor generators 航空电机用深沟球轴承通用规范 |
China National Standards General specification deep |
English PDF |
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