ETSI TR 101 748-2000 Digital Cellular Telecommunications System (Phase 2+) Abbreviations and Acronyms (GSM 01 04 Version 8 0 0 Release 1999)《数字蜂窝通信系统(第2+阶段) 缩写词和首字母缩略语GSM 01 04(版本8_1.pdf

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