BS EN ISO 3611. Geometrical product specifications (GPS). Dimensional measuring instruments. Micrometers for external measurements. Design and metrological characteristics
BS EN ISO 3611. Geometrical product specifications (GPS). Dimensional measuring instruments. Micrometers for external measurements. Design and metrological characteristics
Railway applications — Fire protection on railway vehicles — Part 5: Fire safety requirements for electrical equipment including that of trolley buses, track guided buses and magnetic levitation vehicles