Breathing apparatus - Compressed gas cylinders for compressed air and compressed oxygen - Part 1: Seamless steel cylinders, for 300 bar and 450 bar test pressure— 3 стр.
Accuracy classes 1,6, 2,5 and 4,0; pressure gauges of 40 mm, 50 mm and 63 mm case diameter with bourdon tube element; dimensions and nominal ranges— 4 стр.