DELT 5+

Anticorrosive agents, namely, anticorrosive coatings for the protection of metal oil pipes for use in the oil industry featuring iron-zinc intermetallic priming layers with an epoxy topcoat

Diffusion galvanizing of oil pipes for use in the oil industry; thermal diffusion galvanizing for oil pipes for the use in the oil industry; treatment of metal oil pipes for use in the oil industry to prevent corrosion using thermal diffusion