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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 19075-2003 |
Industrial fans--Vocabulary and definitionsof categories 工业通风机 词汇及种类定义 |
China National Standards definitionsof |
 English PDF |
| GB/T 16672-1996 |
Welds--Working positions--definitionsof angles of slope and rotation 焊缝 工作位置 倾角和转角的定义 |
China National Standards definitionsof |
English PDF |
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