KS C IEC 60335-2-12-2013(2018) Household and sumilar electrical appliances ― Safety ― Part 2-12: Particular requirements for warming plates and similar appliances
2013KS C IEC 60335-2-12:2013 Household and sumilar electrical appliances ― Safety ― Part 2-12: Particular requirements for warming plates and similar appliances
2005KS C IEC 60335-2-12:2005 Safety of household and similar electrical appliances-Part 2-12:Particular requirements for warming plates and similar appliances