4th World Congress on Petroleum Refineries and Natural Gas Recovery 2019
"...Conference Series LLC Ltd. invites all the participants from all over the world to attend 4th World Congress on Petroleum and Refinery' during May 20-21 2019 Osaka Japan which includes prompt keynote presentations, Oral talks, Poster presentations and Exhibitions. Petroleum Congress 2019: Petroleum is a thick, black to yellow, flammable liquid mixture of hydrocarbons...."