پایگاه اطلاع‌رسانی ریاست‌جمهوری اسلامی ایرانپایگاه اطلاع‌رسانی ریاست‌جمهوری اسلامی ایرانhttp://www.president.irSat, 16 Dec 2017 10:50:00 +0330Sat, 16 Dec 2017 10:50:00 +03302024President visits exhibition on knowledge-based companies' products President Rouhani visited the exhibition of the products of knowledge-based companies on Saturday after the 'Teachers' Convention, Production and Knowledge-based Economy'.http://www.president.ir/fa/990532017-05-07 08:32:17099051283284220017