ITU K.21

huang8020 · 发表于 2008-12-4 21:59:48

Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents

huang8020 · 发表于 2008-12-4 22:03:23

【文件名】:08124@52RD_ITU-K.21(07-2003).pdf
【格　式】:pdf
【大　小】:271K
【简　介】:
【目　录】:

Resistibility of telecommunication equipment
installed in customer premises to overvoltages
and overcurrents

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[资料] ITU K.21