U.S. federal trademark · Serial No. 73312693 · Reg. No. 1191361
[ Construction of Petroleum Processing Plants ]
Research, Development, Design, and Operation Services to the Petroleum Process Industry in the Hydrogenation of Residual Hydrocarbons to Demetalize, Hydrodesulfurize and Hydrocrack Such Hydrocarbons to Produce Improved Hydrocarbon Products
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