2002BS EN 13293:2002 Transportable gas cylinders - Specification for the design and construction of refillable transportable seamless normalized carbon manganese steel gas cylinders of water capacity up to 0,5 litre for compressed, liquefied and dissolved gases and up to 1 li
1987BS 5045-6:1987 Transportable gas containers - Specification for seamless containers of less than 0.5 litre water capacity
1981BS 5045-6:1981 Transportable gas containers.-Specification for seamless containers of up to and including 0.5 litre water capacity