MELLACHEVRON

[ Machines, namely, material separation columns and their structural component parts; linings, floors and structured linings, being structural component parts for the aforesaid separation columns; and ] machines, namely, separators, particularly phase separators and their structural component parts

[ Distillation, rectification, fractionation, absorption, desorption and extraction columns not being parts of machines, for exchanging heat and energy, and their structural component parts; linings, floors and structured linings, being structural component parts for the aforesaid columns ]