IEC 60335-2-72-2002 工业和商用地板自动处理机械的特殊要求
家用和类似电器的安全.第2-72部分:工业和商用地板自动处理机械的特殊要求Household and similar electrical appliances - Safety - Part 2-72: Particular requirements for automatic machines for floor treatment for commercial and industrial use
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