| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJG 521-2006 | English | 499 |
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Verification Regulation of X and Gadiation Air Kerma Ratemeters for Environmental Monitoring
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JJG 521-2006
| Valid |
JJG 521-2006
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