… Containers for compressed or liquefied gas, of iron or steel. …
Explanatory notes
… 73.11 ‑ Containers for compressed or liquefied gas, of iron or … oxygen, argon, hydrogen, acetylene, carbon dioxide or butane). Some are strong cylinders, tubes, bottles, etc., … control, regulating and measuring devices such as valves, taps, pressure gauges, level indicators, etc. Some (e.g., …