Address: Tagore Cad. 82.Sok. No:5 06550 YILDIZ/ÇANKAYA ANKARA-TÜRKİYE Phone : +90 312 442 06 60 (pbx) Fax: +90 312 442 77 97 (pbx) e-mail:  info@oces.com.tr Please contact with Hakan Asım Ünlüer for test hakanunluer@oces.com.tr

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