- 2389
- 1979-01-12
technology: الاتصالات السلكية واللاسلكية
- 2384
- 1979-01-07
- 2329
- 1978-11-13
- 2215
- 1978-07-20
- 2074
- 1978-02-26
- 2040
- 1978-01-23
- 1864
- 1977-07-28
- 1805
- 1977-05-29
- 1794
- 1977-05-18
- 1703
- 1977-02-14
- 1641
- 1976-12-12
- 1603
- 1976-11-02
- 1470
- 1976-06-21
- 1375
- 1976-03-18
- 1361
- 1976-03-04
- 1255
- 1975-11-16
- 917
- 1974-12-09
- 829
- 1974-09-10
- 719
- 1974-05-23
- 639
- 1974-03-04