| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| JC/T 878.4-2022 | English | 489 |
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Days<=5
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(Hard tooth surface gear units for the cement industry - Part 4: Gear units for vertical roller mills)
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JC/T 878.4-2022
| Valid |
JC/T 878.4-2022
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