| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| SH/T 3420-2024 | English | 419 |
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Days<=4
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(Technical specification for air preheater for petrochemical tubular furnace (with clause explanation))
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SH/T 3420-2024
| Valid |
SH/T 3420-2024
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