| In cones, the generating lines of which produce with the above-mentioned horizontal plane angles, the values of which are indicated in the table in Annex 5 to this Regulation. | a2c0 | |
| 1.9.1.2. | In cones, the generating lines of which produce with the above-mentioned horizontal plane angles, the values of which are indicated in the table in Annex 5 to this Regulation. | a0c0 |