IC 007. US 013 019 021 023 031 034 035. G & S: Machines for manufacturing pulp, paper, board and tissue and component parts therefore; component parts for machines for oil and gas drilling and the handling and refining of oil and gas, namely, valves, pumps, christmas trees and manifolds
IC 011. US 013 021 023 031 034. G & S: Parts and fittings for pipes and tubes used for water and gas supply and sanitary apparatus used in oil drilling apparatus, namely, manifolds, Y-pieces, branchtees, branch tubing, curves, rings, and flanges
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