| Abbreviation | Designation | |
|---|---|---|
| ESTW | Elektronisches Stellwerk (German) Electronic interlocking | railway installation |
| 33 / CN | China (Standard Chinese) China, People's Republic of China (PRC) | country code |
| Abbreviation | Designation | |
|---|---|---|
| ESTW | Elektronisches Stellwerk (German) Electronic interlocking | railway installation |
| 33 / CN | China (Standard Chinese) China, People's Republic of China (PRC) | country code |