ITU-T Recommendation G.176 Series G: Transmission systems and media, digital systems and networks. International telephone connections and circuits - Transmission plan aspects of special circuits and connections using the international telephone ...

ITU-T Recommendation G.175 Series G: Transmission systems and media, digital systems and networks. International telephone connections and circuits - Transmission plan aspects of special circuits and connections using the international telephone ... ITU-T Recommendation G.174 General characteristics of international telephone connections and international telephone circuits. Transmission performance objectives for terrestrial digital wireless systems using portable terminals to access the PSTN ITU-T Recommendation G.173 Transmission systems and media. Transmission plan aspects of special circuits and connections using the international telephone connection network. Transmission planning aspects of the speech service in digital public land ... ITU-T Recommendation G.177 Series G: Transmission systems and media, digital systems and networks. International telephone connections and circuits - Transmission plan aspects of special circuits and connections using the international telephone ... ГОСТ Р ИСО 21482-2009 Предупреждение об ионизирующем излучении. Дополнительный знак (Переиздание) Методические указания к постановке исследований по обоснованию предельно допустимых концентраций сварочных аэрозолей