| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| TB/T 3381-2021 | English | 579 |
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Days<=5
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(Railway Digital Mobile Communication System (GSM-R) interface Gr interface (between SGSN and HLR))
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TB/T 3381-2021
| Valid |
TB/T 3381-2021
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