79063906
Dec 1, 2008
Nov 24, 2009
machines and apparatus for the petrochemical industry, namely, gas and liquid separators; gas separating machines for oil refinement; oil and steam separators
Machinerydistilling units, namely, valves and valve trays used in oil refinement; distilling units, namely, fractionation trays in distillation towers in the chemical and petrochemical industry; refining towers for distillers
Environmental Control Apparatus