1999NF E29-743:1999 Transportable gas cylinders. Specification for the design and construction of refillable transportable seamless aluminium and aluminium alloy gas cylinders of capacity from 0,5 l up to 150 l.
1991NF E29-741:1991 PRESSURE VESSELS. SEAMLESS UNALLOYED ALUMINIUM AND ALUMINIUM ALLOY GAS CYLINDERS. CONSTRUCTION. TESTS.