75597635
Dec 1, 1998
Apr 3, 2001
safety accessories for gas appliances and gas lines, namely, explosion safeguards and reverse-flow safeguards for combustible gases and oxygen in the nature of safety shields and reverse-flow safety valves, and safety valves for containers and pipelines; automatic safety hose retractors for gases and liquids; gas-pressure regulating stations
Electrical and Scientific Apparatusgas-mixing plants and gas-supply plants, both stationary and transportable, and structural parts therefor; filters for gases, namely, gas filters and condensate separators for the cleaning and purification of gases; high-purity gas filters for the cleaning and purification of gases
Environmental Control ApparatusEngineering services in the field of safety fittings and apparatus construction, especially in the area of gas supply; development and production of plants and apparatus for various gas-application processes and technologies; development of electronic control and evaluation systems for various gas-application processes and technologies; gas-process engineering services, namely mixing, blending, analyzing, controlling, monitoring and/or measuring
Computer and Scientific