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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 9112-2010 |
Types and parameters for steel pipe flanges 钢制管法兰 类型与参数 |
China National Standards Types parameters steel |
 English PDF |
| GB/T 23583.1-2009 |
Molten steel ladle - Part 1: Types and basic parameters 钢液浇包 第1部分：型式与基本参数 |
China National Standards Types parameters steel |
English PDF |
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