F54-112-1981
Статус: Дата введения в действие:
| Обозначение | F54-112-1981 |
|---|---|
| Заглавие на английском языке | FIXED RAILWAY INSTALLATIONS. SIGNALLING FOR PERMANENT SPEED RESTRICTIONS. STANDARD-TYPE ADVANCED WARNING BOARDS. FIXED REPEATER SPEED RESTRICTION BOARDS. REFLECTORIZED INDICATORS. SPECIAL CHARACTERISTICS. |