ETSI PRETS 300 380-1993 Universal Personal Telecommunication (UPT) Access Devices Dual Tone Multi Frequency (DTMF) Sender for Acoustical Coupling to the Microphone of a Handset Tel.pdf

上传人:eventdump275 文档编号:734472 上传时间:2019-01-12 格式:PDF 页数:12 大小:455.96KB
下载 相关 举报
ETSI PRETS 300 380-1993 Universal Personal Telecommunication (UPT) Access Devices Dual Tone Multi Frequency (DTMF) Sender for Acoustical Coupling to the Microphone of a Handset Tel.pdf_第1页
第1页 / 共12页
ETSI PRETS 300 380-1993 Universal Personal Telecommunication (UPT) Access Devices Dual Tone Multi Frequency (DTMF) Sender for Acoustical Coupling to the Microphone of a Handset Tel.pdf_第2页
第2页 / 共12页
ETSI PRETS 300 380-1993 Universal Personal Telecommunication (UPT) Access Devices Dual Tone Multi Frequency (DTMF) Sender for Acoustical Coupling to the Microphone of a Handset Tel.pdf_第3页
第3页 / 共12页
ETSI PRETS 300 380-1993 Universal Personal Telecommunication (UPT) Access Devices Dual Tone Multi Frequency (DTMF) Sender for Acoustical Coupling to the Microphone of a Handset Tel.pdf_第4页
第4页 / 共12页
ETSI PRETS 300 380-1993 Universal Personal Telecommunication (UPT) Access Devices Dual Tone Multi Frequency (DTMF) Sender for Acoustical Coupling to the Microphone of a Handset Tel.pdf_第5页
第5页 / 共12页
点击查看更多>>
资源描述
展开阅读全文
相关资源
猜你喜欢
  • BS EN ISO 6892-3-2015 Metallic materials Tensile testing Method of test at low temperature《金属材料 拉伸试验 低温环境下的试验方法》.pdf BS EN ISO 6892-3-2015 Metallic materials Tensile testing Method of test at low temperature《金属材料 拉伸试验 低温环境下的试验方法》.pdf
  • BS EN ISO 6926-2016 Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels《声学 声功率级测定用基准声源的性能和校正要求》.pdf BS EN ISO 6926-2016 Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels《声学 声功率级测定用基准声源的性能和校正要求》.pdf
  • BS EN ISO 6927-2012 Buildings and civil engineering works Sealants Vocabulary《建筑物和民用工程设施 密封剂 词汇表》.pdf BS EN ISO 6927-2012 Buildings and civil engineering works Sealants Vocabulary《建筑物和民用工程设施 密封剂 词汇表》.pdf
  • BS EN ISO 6938-2014 Textiles Natural fibres Generic names and definitions《纺织品 天然纤维 通用名称和定义》.pdf BS EN ISO 6938-2014 Textiles Natural fibres Generic names and definitions《纺织品 天然纤维 通用名称和定义》.pdf
  • BS EN ISO 6940-2004 Textile fabrics - Burning behaviour - Determination of ease of ignition of vertically oriented specimens《纺织织物 燃烧性能 垂直向样品易点燃性的测定》.pdf BS EN ISO 6940-2004 Textile fabrics - Burning behaviour - Determination of ease of ignition of vertically oriented specimens《纺织织物 燃烧性能 垂直向样品易点燃性的测定》.pdf
  • BS EN ISO 6941-2004 Textile fabrics - Burning behaviour - Measurement of flame spread properties of vertically oriented specimens《纺织织物 燃烧性能 垂直向样品火焰蔓延性的测定》.pdf BS EN ISO 6941-2004 Textile fabrics - Burning behaviour - Measurement of flame spread properties of vertically oriented specimens《纺织织物 燃烧性能 垂直向样品火焰蔓延性的测定》.pdf
  • BS EN ISO 6946-2007 Building components and building elements - Thermal resistance and thermal transmittance - Calculation method《建筑组件和构件 热阻和热传导系数 计算方法》.pdf BS EN ISO 6946-2007 Building components and building elements - Thermal resistance and thermal transmittance - Calculation method《建筑组件和构件 热阻和热传导系数 计算方法》.pdf
  • BS EN ISO 6947-2011 Welding and allied processes Welding positions《焊接及相关工艺 焊接位置》.pdf BS EN ISO 6947-2011 Welding and allied processes Welding positions《焊接及相关工艺 焊接位置》.pdf
  • BS EN ISO 6974-1-2012 Natural gas Determination of composition and associated uncertainty by gas chromatography General guidelines and calculation of composition《天然气 使用气相色谱法对规定的不确定.pdf BS EN ISO 6974-1-2012 Natural gas Determination of composition and associated uncertainty by gas chromatography General guidelines and calculation of composition《天然气 使用气相色谱法对规定的不确定.pdf
  • 相关搜索

    当前位置:首页 > 标准规范 > 国际标准 > 其他

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1