DIN EN 1975:2004 Transportable gas cylinders Specification for the design and construction of refillable transportable seamless aluminum and aluminum alloy gas cylinders of capacity from 0.5 liters up to 150 liters (includes Amendment A1 : 2003)
2013DIN EN ISO 7866:2013 Gas cylinders - Refillable seamless aluminium alloy gas cylinders - Design, construction and testing (ISO 7866:2012); German version EN ISO 7866:2012
1999DIN EN 1975:2004 Transportable gas cylinders Specification for the design and construction of refillable transportable seamless aluminum and aluminum alloy gas cylinders of capacity from 0.5 liters up to 150 liters (includes Amendment A1 : 2003)