BS EN 14638-3-2010 (2012) 可运输的气瓶.容量小于等于150 L的可再充焊接插座.实验方法证明设计制成的焊接碳钢气瓶
Transportable gas cylinders. Refillable welded receptacles of a capacity not exceeding 150 litres. Welded carbon steel cylinders made to a design justified by experimental methods