Safety of Household and Similar Electrical Appliances - Part 2: Particular Requirements for Oral Hygiene Appliances Connected to the Mains Supply Through a Safety Isolating Transformer (Based on IEC'S first edition) and Canadian Deviations (Adopted IEC 335-2-52:1988 with modifications) / Securite de
家用和类似用途电器的安全.第2部分:通过安全隔离变压器（基于IEC第一版）连接到主电源的口腔卫生器具的特殊要求和加拿大的偏差（采用IEC 335-2-52:1988进行了修改）/Securite