| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB 22448-2025 | English | 219 |
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Days<=3
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Non-destructive testing instruments - Protection rules for industrial X-ray radiographic equipment below 500kV
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GB 22448-2025
| Valid |
GB 22448-2025
|