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  • ETSI TS 129 230/3-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobile Teleco...2023-05-03
  • ETSI TS 129 292/2-2018 Universal Mobile Telecommunications System (Umts); Lte; Interworking Between The Ip ...2023-05-02
  • ETSI TS 124 237/2-2019 Universal Mobile Telecommunications System (Umts); Lte; Ip Multimedia (Im) Core Netw...2023-05-02
  • ETSI TS 122 243-2017 Digital cellular telecommunications system (Phase 2+) (GSM);Universal Mobile Telecommu...2023-05-02
  • GB/T 33951-2017 精密仪器仪表和电讯器材用铜合金棒线 Copper alloy rod and wire for precision telecommunication...2023-05-02
  • ETSI TS 124 368-2017 Universal Mobile Telecommunications System (UMTS); LTE; Non-Access Stratum (NAS) confi...2023-05-02
  • ETSI TS 128 682-2018 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management; ...2023-05-02
  • ETSI TS 123 096-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-05-02
  • ETSI TS 128 620/2-2017 Universal Mobile Telecommunications System (UMTS); LTE; Telecommunication management...2023-05-02
  • ETSI TS 133 127/2-2020 Lte; 5G; Digital Cellular Telecommunications System (Phase 2+) (Gsm); Universal Mobi...2023-05-01
  • ETSI TS 128 669-2018 Universal Mobile Telecommunications System (UMTS); LTE; Telecommunication management; ...2023-05-01
  • ETSI TR 145 902/4-2020 Digital Cellular Telecommunications System (Phase 2+) (Gsm); Gsm/Edge Flexible Layer...2023-05-01
  • ETSI TS 132 121-2017 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-05-01
  • ETSI TS 124 173/3-2019 Universal Mobile Telecommunications System (Umts); Lte; 5G; Ims Multimedia Telephony...2023-05-01
  • GB/T 35381.9-2017 农林拖拉机和机械 串行控制和通信数据网络 第9部分:拖拉机ECU Tractors and machinery for agric...2023-05-01
  • ETSI TS 144 004-2018 Digital cellular telecommunications system (Phase 2+) (GSM); GSM/EDGE Layer 1; General...2023-05-01
  • ETSI TS 132 157-2020 Universal Mobile Telecommunications System (Umts); Lte; Telecommunication Management; ...2023-05-01
  • ETSI TS 123 204-2020 Universal Mobile Telecommunications System (Umts); Lte; Support Of Short Message Servi...2023-05-01
  • ETSI TS 133 328-2017 Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) ...2023-04-30
  • ETSI TS 123 107-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-04-30
  • IEC 61643-22-2015 低压电涌保护器--第22部分：电信和信号网络的电涌保护器--选择和应用原则 Low-voltage surge prote...2023-04-30
  • ETSI TS 126 446-2018 Universal Mobile Telecommunications System (UMTS); LTE; Codec for Enhanced Voice Servi...2023-04-30
  • ETSI TS 146 042-2017 Digital cellular telecommunications system (Phase 2+) (GSM);Half rate speech;Voice Act...2023-04-30
  • ETSI TS 132 321-2018 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecomm...2023-04-30
  • BS ISO/IEC 15149-4-2016 信息技术 系统间远程通信和信息交换 磁场区域网络(MFAN) 鉴定用安全协议 Information tech...2023-04-29
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