DIN EN 14638-3-2010 可运输的气瓶.容量不超过150 L的可再充气焊接插座.第3部分:实验方法证明设计制成的焊接碳钢气瓶;德文版本EN 14638-3-2010
Transportable gas cylinders - Refillable welded receptacles of a capacity not exceeding 150 litres - Part 3: Welded carbon steel cylinders made to a design justified by experimental methods; German version EN 14638-3:2010