| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJF 2012-2022 | English | 1079 |
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Days<=7
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Program of Pattern Evaluation of Ultrasonic Gas Meters
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JJF 2012-2022
| Valid |
JJF 2012-2022
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