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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 31213.2-2014 |
Non-destructive testing―Testing of cast iron equipments and components―Part 2: Test method for acousto-ultrasonic 无损检测 铸铁构件检测 第2部分：声超声检测方法 |
China National Standards Non destructive testing―Testing |
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