74112746
Nov 2, 1990
Oct 20, 1992
industrial chemicals; namely, gas and gaseous mixtures for commercial, scientific, medical, photographic, and agricultural uses
Chemicalsgas supplying equipment and parts thereof; namely, tanks, cylinders, pressure reducers, gas heaters, pressure regulators, valves, flashback arresters, pipelines, flashback valves, which may be sold as a unit, for commercial, scientific, medical, photographic, and agricultural uses
Environmental Control Apparatus