| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 7247.4-2025 | English | 1314 |
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Days<=8
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Safety of laser products - Part 4: Laser guards
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GB/T 7247.4-2025
| Valid |
GB/T 7247.4-2025
|