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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 30820-2014 |
Nondestructive testing—Practice for determining the impedance of absolute eddy-current probes 无损检测 绝对式涡流探头阻抗测定方法 |
China National Standards Nondestructive testing—Practice determining |
 English PDF |
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