85561222
Mar 6, 2012
Non-metallic articles for use in covering oil or gas wells in the nature of non-metal subsea equipment covers; non-metallic subsea structures for the protection of oil wellheads; non-metallic subsea structures for the protection of oil well trees; non-metallic subsea structures for the protection of oil well manifolds; non-metallic casings for oil wells, namely, non-metallic subsea structins for the protection of oil well trees and oil wellheads
Nonmetallic Building Materials