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This is to certify that your paper entitled «Investigation of Mechanical Properties of Nitrile Butadiene Rubber (NBR) reinforced by fiber (Carbon, Glass)» was indexed with 12 pages, in the CIVILICA citation database, code COI:ITCC02_162, after evaluation and approval of the referees of the "The Second International Conference and the Third National Conference on the Application of New Technologies in Engineering Sciences held in Mashhad 2016.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above conference and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.