Switzerland Imports from Iran of Pitch, Pitch Coke (Obtained from Coal Tar or Other Mineral Tars) was US$29 during 2004, according to the United Nations COMTRADE database on international trade. Switzerland Imports from Iran of Pitch, Pitch Coke (Obtained from Coal Tar or Other Mineral Tars) - data, historical chart and statistics - was last updated on June of 2024.