Single burner gas-fired overhead radiant tube heaters for non-domestic use - Part 1: Safety; Amendment A3; German version EN 416-1:1999/A3:2002— 15 стр.
Specification for dedicated liquefied petroleum gas appliances - Parasol patio heaters - Flueless radiant heaters for outdoor or amply ventilated area use; German version EN 14543:2005— 44 стр.