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- 2001-10-10
technology: فيزياء
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- 1999-03-31
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- 1998-12-17
- 9129
- 1998-11-17
- 9124
- 1998-11-12
- 9117
- 1998-11-05
- 9111
- 1998-10-30
- 9070
- 1998-09-19
- 9020
- 1998-07-31
- 9016
- 1998-07-27
- 9012
- 1998-07-23
- 8845
- 1998-02-04
- 8844
- 1998-02-03
- 8796
- 1997-12-15
- 8793
- 1997-12-12
- 8729
- 1997-10-09
- 8486
- 1997-02-04
- 8384
- 1996-10-24
- 8354
- 1996-09-24