DIN EN 60335-2-56-2009
家用和类似用途电器.安全性.第2-56部分:投影仪及类似电器的特殊要求
Household and similar electrical appliances - Safety - Part 2-56: Particular requirements for projectors and similar appliances (IEC 60335-2-56:2002 + A1:2008); German version EN 60335-2-56:2003 + A1:2008