LCCO
INDUSTRIAL GASES-NAMELY, CARBON DIOXIDE, OXYGEN, NITROGEN, ACETYLENE, ARGON, AIR, HELIUM, HYDROGEN PROPANE, DEUTERIUM, NITROUS OXIDE, OXYGEN-ARGON COMBINATION OXYGEN-CARBON DIOXIDE COMBINATION, HELIUM-ARGON COMBINATION, AND HYDROGEN-NITROGEN COMBINATION; AND INDUSTRIAL LIQUIDS-NAMELY, CARBON DIOXIDE, OXYGEN, ARGON, NITROGEN, HYDROGEN, AND NITROUS OXIDE
Expired · December 11, 1969 · 72345898 ·