| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 20999-2007 | English | RFQ |
ASK
|
Days<=5
|
Data communication protocol between traffic signal controller and control center
|
GB/T 20999-2007
| Obsolete |
GB/T 20999-2007
|