- 1687
- 1977-01-29
technology: المواصلات السلكية واللاسلكية
- 1565
- 1976-09-24
- 1471
- 1976-06-22
- 1468
- 1976-06-19
- 1466
- 1976-06-17
- 1436
- 1976-05-18
- 1425
- 1976-05-07
- 1406
- 1976-04-18
- 1343
- 1976-02-14
- 1294
- 1975-12-26
- 1283
- 1975-12-15
- 1244
- 1975-11-05
- 1219
- 1975-10-11
- 1209
- 1975-09-30
- 1208
- 1975-09-29
- 1196
- 1975-09-17
- 1127
- 1975-07-10
- 1080
- 1975-05-24
- 1076
- 1975-05-20
- 1075
- 1975-05-19