DIN EN 60335-2-67-2010 家用和类似用途电器.安全性.第2-67部分:商用地板处理和地板清洗机详细要求(IEC 60335-2-67-2002 + A1-2005,修订版).德文版本EN 60335-2-67-2009
Household and similar electrical appliances - Safety - Part 2-67: Particular requirements for floor treatment and floor cleaning machines for commercial use (IEC 60335-2-67:2002 + A1:2005, modified); German version EN 60335-2-67:2009
This International Standard deals with the safety of electric motor-operated appliances primarily designed for industrial and commercial use, with or without attachments, including appliances incorporating wet and/or dry suction, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances.