| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJG 921-1996 | English | 559 |
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Days<=3
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Verification Regulation of Noise. Vibration meter For measuring Envrionmental pollution
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JJG 921-1996
| Obsolete |
JJG 921-1996
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