SIS SS-EN 60 335-2-24-1989 Safety ofhouseholdandsimilar electricalappliances Particular requirements for refrigerators and food freezers《家用及类似用途电器的安全 电冰箱和食品冷冻箱的特殊要求》.pdf

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ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

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