Reverse osmosis membrane modules for seawater desalination units and installations; reverse osmosis membrane modules for brackish water desalination units and installations; reverse osmosis membrane modules for waste water treatment units and installations; reverse osmosis membrane modules for water purification units and installations; reverse osmosis membrane modules for water purifiers for industrial and household use; water purifying apparatus, units and installations for industrial use; ...

parts for semiconductor diffusion furnaces, namely, liner tubes, process tubes, drawing rods, and protective tubes, paddles, cantilevers and boats, all made exclusively for semiconductor diffusion furnaces