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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 40424-2021 |
Welding procedure qualification test for tubes to tube-plate joints 管与管板的焊接工艺评定试验 |
China National Standards Procedure plate tube |
 English PDF |
| GB/T 19915.1-2005 |
Procedure of plate and tube agglutination for antibody against Streptococcus suis Type2 猪链球菌2型平板和试管凝集试验操作规程 |
China National Standards Procedure plate tube |
English PDF |
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