Iranian Oil Pipeline & Telecommunication Company (IOPTC) Iran All previous conference papers fromIranian Oil Pipeline & Telecommunication Company (IOPTC) Title Presenter Conference year Iran Pipeline Industry: Capabilities, Technical-Economical Problems & Development Plans Hamid Reza Ettelaie ptc 2016 New Method for Coating Survey of Underground Pipeline Hamid Reza Ettelaie ptc 2014