| 3. |
A sample of four retro-reflectors is selected at random from stock manufactured after alignment. The first sample of two is marked C, the second sample of two is marked D. |
a3c0 |
| 3. |
Repeated sampling In the cases of A3, B2, B3 a repeated sampling, third sample C of two retro-reflectors and fourth sample D of two retro-reflectors, selected from stock manufactured after alignment, is necessary within two months' time after the notification. |
a0c0 |