- 2483
- 1979-04-16
technology: الاتصالات اللاسلكية
- 2476
- 1979-04-09
- 2469
- 1979-04-02
- 2462
- 1979-03-26
- 2405
- 1979-01-28
- 2225
- 1978-07-30
- 2220
- 1978-07-25
- 1813
- 1977-06-06
- 1793
- 1977-05-17
- 1742
- 1977-03-27
- 1589
- 1976-10-19
- 1394
- 1976-04-06
- 1348
- 1976-02-19
- 1135
- 1975-07-18
- 976
- 1975-02-09
- 791
- 1974-08-03
- 765
- 1974-07-08
- 760
- 1974-07-03