| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JJG 678-2007 | English | 389 |
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Days<=3
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Verification Regulation of Catalysis Combustion Type Methane Measuring Device
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JJG 678-2007
| Valid |
JJG 678-2007
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