SFS 5353-1987 《固定安装的连接材料 表面镀层级别至少为IP20 绝缘要求》.pdf

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SFS 5354-1987 《固定安装的连接材料 表面镀层级别IP20 绝缘要求》.pdf

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TIA-873 003-2003 All-IP Core Network Multimedia Domain IP Multimedia Subsystem IP Multimedia Call Model Stage 2《CDMA2000扩频系统的IP网－IP多媒体子系统－IP多媒体呼叫模式－进程2》.pdf

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TIA TSB-116-A-2006 Telecommunications IP Telephony equipment Voice Quality Recommendations for IP Telephony《IP电话的电信IP电话设备语音质量建议》.pdf

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TIA TSB-146-2003 Telecommunications - IP Telephony Infrastructures - IP Telephony Support for Emergency Calling Service《电信-IP电话基础设施-紧急呼叫业务的IP电话支持》.pdf

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