 |
| |||
| recto (The front or obverse side of a leaf; the right-hand page of an open book or manuscript); leaf; verso; front | |||
| first page | |||
| |||
| face of a security | |||
| recto: 14 phrases in 6 subjects |
| Antennas and waveguides | 2 |
| Communications | 2 |
| Electronics | 1 |
| General | 1 |
| Information technology | 1 |
| Medical | 7 |