In case of Class C, D, E or F, an orientation mark "TOP" which must be inscribed on any marking material whose retro-reflective system is not omni-rotational at least: |
a3c0 |
In case of Class C, D, E or F, an orientation mark "TOP" which must be inscribed on any marking material whose retro-reflective system is not omni-rotational at least: |
a3c0 |