… Containers for compressed or liquefied gas, of iron or steel. …
Explanatory notes
… 73.11 ‑ Containers for compressed or liquefied gas, of iron or steel. This heading … argon, hydrogen, acetylene, carbon dioxide or butane). Some are strong cylinders, tubes, bottles, etc., tested at … charcoal or asbestos, with a binder such as cement and sometimes impregnated with acetone, to facilitate filling …