- 1931
- 1977-10-05
technology: مبردات الماء
- 1924
- 1977-09-28
- 1922
- 1977-09-26
- 1915
- 1977-09-19
- 1912
- 1977-09-14
- 1904
- 1977-09-06
- 1903
- 1977-09-05
- 1902
- 1977-09-04
- 1897
- 1977-08-30
- 1896
- 1977-08-29
- 1891
- 1977-08-24
- 1880
- 1977-08-13
- 1879
- 1977-08-12
- 1873
- 1977-08-06
- 1872
- 1977-08-05
- 1870
- 1977-08-03
- 1853
- 1977-07-17
- 1811
- 1977-06-04
- 1224
- 1975-10-16
- 1221
- 1975-10-13