LST EN 88-1-2011 Pressure regulators and associated safety devices for gas appliances - Part 1: Pressure regulators for inlet pressures up to and including 50 kPa
LST EN 88-1-2008LST EN 12078-2000LST EN 12067-1-2000LST EN 12067-1-2000/A1-2003
LST EN 88-1-2011 history
2011LST EN 88-1-2011 Pressure regulators and associated safety devices for gas appliances - Part 1: Pressure regulators for inlet pressures up to and including 50 kPa