SAE AMS5721 Steel Bars, Corrosion and Heat Resistant 20Cr - 9Ni - 1.4Mo -1.4W - 0.42 (Cb+Ta) - 0.22Ti (Cancelled Apr 199

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Product Code:SAE AMS5721
Title:Steel Bars, Corrosion and Heat Resistant 20Cr - 9Ni - 1.4Mo -1.4W - 0.42 (Cb+Ta) - 0.22Ti (Cancelled Apr 1991) (NONCURRENT Oct 1982)
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:Primarily for parts, such as bolts, dowels and fittings, for use up to 1150 F.
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【英文标准名称】:RadioEquipmentandSystems(RES).Landmobileservice.Technicalcharacteristicsandtestconditionsforradioequipmentintendedforthetransmissionofdata(andspeech)andhavinganantennaconnector.
【原文标准名称】:无线电设备和系统.地面移动设备.用于数据(和语言)传输和有一个天线连接器的无线电设备的技术特性和试验条件
【标准号】:NFZ84-113-1999
【标准状态】:作废
【国别】:法国
【发布日期】:1999-07-01
【实施或试行日期】:1999-07-20
【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】:移动无线电通信系统;通信;电气工程;电信;电信;定义;无线电天线;远程通信;试验条件;无线电装置;无线电工程;电磁兼容性;电磁兼容性;额定值;语音传输;天线系统;数据传送;地面流动服务设施;无线电设备
【英文主题词】:
【摘要】:
【中国标准分类号】:M36
【国际标准分类号】:33_060_99
【页数】:96P;A4
【正文语种】:其他


【英文标准名称】:ULStandardforSafetyElectricMotorsandGeneratorsforUseinDivision1Hazardous(Classified)LocationsFourthEdition;ReprintwithRevisionThroughandIncludingOctober19,2007
【原文标准名称】:1区危险(分类)位置用安全电子电动机和发电机的UL标准.第4版
【标准号】:UL674-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003-12-11
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:危险区域;电动机;外壳;发电机;危险场所分类(电气设备用)
【英文主题词】:Dangerzones;Electricmotors;Enclosures;Generators;Hazardousareasclassification(forelectricalequipment)
【摘要】:1.1Theserequirementscoverthefollowingequipmentforinstallationanduseinhazardous(classified)locations,ClassI,Division1,GroupsB,C,andD,andClassII,Division1,GroupsE,F,andG,inaccordancewiththeNationalElectricalCode,NFPA70:a)Electricmotorsandgenerators;andb)Submersibleandnonsubmersiblesewagepumpsandsystems.1.2Theserequirementsalsocoverthesametypesofelectricalequipmentindicatedin1.1forinstallationanduseinClassI,Zone1,GroupsIIA,IIB,andIIBplushydrogenandZone20and21hazardous(classified)locationsinaccordancewiththeNationalElectricalCode,NFPA70.1.2revisedAugust12,20081.3Theserequirementscoverbothhorizontalandverticalmachinesthathavefractionalandintegralhorsepowerratingsandareforuseonalternatingcurrent(ac)ordirectcurrent(dc).1.4Theserequirementscoverelectricmotorsandgeneratorsforuseonlyunderthefollowingatmosphericconditions:a)Aminimumambienttemperatureofminus70°C(minus94°F);b)Anoxygenconcentrationnotgreaterthan21percentbyvolume;andc)Anominalbarometricpressureofoneatmosphere.1.5Theserequirementsdonotcoverintrinsicallysafemotorsandgenerators.
【中国标准分类号】:K25
【国际标准分类号】:29_160_30;29_260_20
【页数】:116P.;A4
【正文语种】:英语