KS C IEC 60335-2-72:2017 Household and similar electrical appliances-Safety-Part 2-72:Particular requirements for automatic machines for floor treatment for commercial and industrial use
2018KS C IEC 60335-2-72:2018 Household and similar electrical appliances — Safety — Part 2-72: Particular requirements for floor treatment machines with or without traction drive, for commercial use
2017KS C IEC 60335-2-72:2017 Household and similar electrical appliances-Safety-Part 2-72:Particular requirements for automatic machines for floor treatment for commercial and industrial use
2007KS C IEC 60335-2-72:2007 Household and similar electrical appliances-Safety-Part 2-72:Particular requirements for automatic machines for floor treatment for commercial and industrial use