This Standard specifies the technical requirements, test methods, reliability test, marking and packing for fixed automatic telephone sets.The specifications of automatic telephone set (GBT15279-2002; GBT 15279- 2002). ... input, the key mapping set of phonetic alphabets recommended by standard GB/T 18031-2000 can be used. e) The service life of touch-tone dial www.
Title | : | GB/T 15279-2002: Translated English PDF of Chinese Standard GB/T15279-2002 |
Author | : | Wayne Zheng |
Publisher | : | www.ChineseStandard.net - 2015-02-13 |
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