PROTEGO

Machines for the Manufacture of Oil Tanks, Flame Traps, Flame Arresters, Pressure Release Valves and Ventilation Valves-Namely, Cutting, Punching, Ribbing and Fluting Machines

Flame Traps, Flame Arresters, and Filters Therefor, Gas Ventilators, Vent and Pressure Release Valves for Use in the Oil Refining and Storing, Case Mining and Sewage Disposal Industries; Pressure and Vacuum Breathing Valves for Cryogenic Storage and Isolation Tanks