NATIONAL CYLINDER GAS
INDUSTRIAL AND SPECIALTY GASES, NAMELY OXYGEN, NITROGEN, ARGON, NITROUS OXIDE, HELIUM, CARBON DIOXIDE, HYDROGEN, CRYPTON, XENON, AIR, COMBINATIONS OF OXYGEN AND CARBON DIOXIDE, ACETYLENE, CYCLOPROPANE, ETHYLENE, PROPANE, COMBINATIONS OF HYDROGEN WITH MIXTURES OF HYDROCARBONS PRODUCED BY DEEP CRACKING OF LIGHT PETROLEUM OILS, AND VARIOUS OTHER COMBINATIONS OF THE FOREGOING GASES, METHANE AND CHEMICAL FLUXES
Cancelled · January 13, 1984 · 73460772 ·