| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| TB/T 3507-2018 | English | 259 |
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Days<=3
|
(Railway freight car body assembly hopper car bottom door opening and closing system)
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TB/T 3507-2018
| Valid |
TB/T 3507-2018
|