DIN VDE 0170/0171-7/A3-1992 爆炸区用电气设备.安全火花防爆"I"型

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Product Code:SAE AMS2404
Title:Plating, Electroless Nickel
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers the requirements for electroless nickel deposited on various materials.This deposit has been used typically to provide a uniform build-up on intricate shapes, to improve wear and/or corrosion resistance, or to improve solderability on or for selected materials, but usage is not limited to such applications. The deposit has been used in service up to 1000 掳F (540 掳C) although wear and/or corrosion resistance may degrade as service temperature increases.【英文标准名称】:Digitalcellulartelecommunicationssystem(phase2).Supportofdualtonemulti-frequencysignalling(DTMF)viatheGSMsystem(GSM03.14).
【原文标准名称】:蜂窝式数字电信系统(第2段).经由GSM系统支持的双音多频信令(GSM03.14)
【标准号】:NFZ83-532-1996
【标准状态】:现行
【国别】:法国
【发布日期】:1996-09-01
【实施或试行日期】:1996-09-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数字的;公共的;多频;电信;欧洲的;移动无线电通信系统;远程通信;电信设备;无线通信业务;通信网;通信系统;无线电话业务;信号传输;信号;地面流动服务设施;双音
【英文主题词】:
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:33_070_50
【页数】:11P;A4
【正文语种】:其他