2.3.1.5. | "Reference axis (symbol R)" means a designated line segment originating on the centre of reference which is used to describe the angular position of the retro-reflective device; | a0c0 |
2.3.1.5. | "Reference axis (symbol R)" means a designated line segment originating on the centre of reference which is used to describe the angular position of the retro-reflective device; | a0c0 |