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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
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    GB/T 34093-2017 Safety aspects for xDSL signals on circuits connected to telecommunication networks(DSL:Digital subscriber Line)
    与通信网络连接的电路上的xDSL信号的安全性(DSL:数字用户线)
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    GB/T 32419.4-2016 Information technology—SOA technical implementation specification—Part 4: Publish/subscribe based data services interface
    信息技术 SOA技术实现规范 第4部分:基于发布/订阅的数据服务接口
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    GB/T 11318.10-1996 Equipments and components used in cabled distribution systems primarily intended for television and sound signals--Part 10:Generic specifications for splitter and subscriber’s trap
    电视和声音信号的电缆分配系统设备与部件 第10部分:分配器和用户分支器通用规范
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    GB/T 6282-1986 Interface parameters of the 25 to 1000MHz land mobile telecommunication network connecting to public telecommunication network through subscriber lines
    25~1000 MHz陆地移动通信网通过用户线接入公用通信网的接口参数
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    GB/T 5444-1985 The test methods for the technical specifications of subscriber line signalling for automatic telephone switching network
    电话自动交换网用户信号技术指标测试方法
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    GB 3378-1982 subscriber line signalling system for telephone automatic switching network
    电话自动交换网用户信号方式
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