| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| TB/T 2999.3-2005 | English | 739 |
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Days<=4
|
ZPR·Y2-18 Type Frequency-shift Automatic blocking system
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TB/T 2999.3-2005
| Valid |
TB/T 2999.3-2005
|