GB/T 23108-2021家用和类似用途电热垫性能测试方法标准
英文:Methods for measuring performance for household and similar electric heating pads GB/T 23108-2021介绍: 国家标准《家用和类似用途电热垫性...
英文:Methods for measuring performance for household and similar electric heating pads GB/T 23108-2021介绍: 国家标准《家用和类似用途电热垫性...