74283742
Jun 11, 1992
Jan 26, 1993
environmental protection equipment; namely, level gauges, leak detectors, tank emission controls and pressure controls
Electrical and Scientific Apparatusconcrete storage tanks and parts therefor sold as a unit; namely, vent pipes, vent caps, level gauges, containment dikes, containment piping, leak detectors, tank emission controls, tank and piping heaters, and pressure controls, all to assure protection against environmental pollution; environmental protection equipment; namely, concrete storage tanks, vent pipes, storage structures, vent caps, containment dikes and containment piping
Nonmetallic Building Materials