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For Heaters, in China we only refer GB4706.23 《家用和类似用途电器的安全 第2部分 室内加热器的特殊要求》standard, similar IEC 60335-2-30.
For Fans, in China we only refer GB4706.27 《家用和类似用途电器的安全 第2部分:风扇的特殊要求》 standard, similar IEC 60335-2-80.
Both no air volume performance requirment, we only refer to other standard GB/T 14806-2003《A.C. electric ventilating fans and regulators for household and similar purposes》(家用和类似用途的交流换气扇及其调速器), China stadard。
International standard is IEC 60665 《A.C. electric ventilating fans and regulators for household and similar purposes》
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