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نمایش تعداد 11-20 از 42

2nd National Conference on Applied Petrology (1)
2nd National Conference on Geology and Exploration of Resources (1)
2nd National Iranian Coal Congress (3)
3rd electronic Conference on new research in Science and Technology (2)
3rd International Conference on Advances research in chemistry and chemical engineering (1)
4th Econominc Geology Conference (1)
8th Conference of Environmental Engineering (1)
Iranian Mining Engineering Conference (1)
New Materials National Congress (1)
اولین همایش ملی مجازی علوم زمین (1)