ICS 33.050
M42
YD
YD/T 3421.5—XXXX
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Broadband customer intelligent gateway based on public telecommunication
network—Part 5 +General requirements for control and management be
YDT 3421.5-2021基于公用电信网的宽带客户智能网关 第5部分：网关与智能终端控制管理通用要求.pdf
