Graphical symbols - Safety colours and safety signs - Part 1: Design principles for safety signs in workplaces and public areas (ISO 3864-1:2002 modified)— 32 стр.
Safety devices against backflow for the application of gases of public gas supply, of air and oxygen up to an overpressure of 0,1 bar, not protected against flashbacks; safety requirements; testing— 4 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.
