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TB/T 3051.1-2009 机车、动车用电笛、风笛第1部分:电笛

TB/T 3051.1-2009.Electric horn and air whistle for locomotive and power car Part...

YDB 082-2012.PHY and MAC technical requirements for specialized broadband wirele...

YDB 081-2012.Technical requirement for reach extended passive optical network.1范...

YDB 080-2012.Technical requirements for broadband customer networking based on p...

YDB 079-2012.Technical requirements for broadband customer networking based on p...

YDB 078-2012.IP-Based virtual network dynamic construction Framework.1范围YDB 078报...

TB/T 3051.2-2009.Electric horn and air whistle for locomotive and power car Part...

YY 91024-1999.Oviduct ligating hook.2.8提取钩经密封包装后,在遵守贮存规则的条件下,应保证在一年半内不生锈。3试验方法3...

TB/T 3059-2009.1范围TB/T 3059规定了车机联控的管理、设备、作业人员、信息、作业程序及用语等要求。TB/T 3059适用于国家铁路，合资铁...

YY 0570-2005/IEC 60601-2-46: 1998.Medical electrical equipment-Part 2-46 : Parti...

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