| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJG 291-1999 | English | 479 |
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Days<=4
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Verification Regulation of Film Electrode Dissolved Oxygen Meter
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JJG 291-1999
| Obsolete |
JJG 291-1999
|