6.14.7.1. |
All the lamps of the emergency stop signal shall flash in phase at a frequency of 4.0 ± 1.0 Hz. |
a0c0 |
6.14.7.1. |
All the lamps of the emergency stop signal shall flash in phase at a frequency of 4.0 ± 1.0 Hz. |
a0c0 |