2018SANS 10313:2018 Protection against lightning - Physical damage to structures and life hazard
2005LST EN ISO 21049:2005 Pumps - Shaft sealing systems for centrifugal and rotary pumps (ISO 21049:2004)
LST EN ISO 21049:2005 Pumps - Shaft sealing systems for centrifugal and rotary pumps (ISO 21049:2004) was changed to SANS 10313:2018 Protection against lightning - Physical damage to structures and life hazard.