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1、IEC60079-7®Edition5.02015-06INTERNATIONALSTANDARDExplosiveatmospheres–Part7:Equipmentprotectionbyincreasedsafety''e'')en(6-05:2017-60079IECTHISPUBLICATIONISCOPYRIGHTPROTECTEDCopyright©2015IEC,Geneva,SwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmayber
2、eproducedorutilizedinanyformorbyanymeans,electronicormechanical,includingphotocopyingandmicrofilm,withoutpermissioninwritingfromeitherIECorIEC'smemberNationalCommitteeinthecountryoftherequester.IfyouhaveanyquestionsaboutIECcopyrightorhaveanenquiryaboutobtainingadditionalrightstothi
3、spublication,pleasecontacttheaddressbeloworyourlocalIECmemberNationalCommitteeforfurtherinformation.IECCentralOfficeTel.:+412291902113,ruedeVarembéFax:+41229190300CH-1211Geneva20info@iec.chSwitzerlandwww.iec.chAbouttheIECTheInternationalElectrotechnicalCommission(IEC)istheleadinggl
4、obalorganizationthatpreparesandpublishesInternationalStandardsforallelectrical,electronicandrelatedtechnologies.AboutIECpublicationsThetechnicalcontentofIECpublicationsiskeptunderconstantreviewbytheIEC.Pleasemakesurethatyouhavethelatestedition,acorrigendaoranamendmentmighthavebeenp
5、ublished.IECCatalogue-webstore.iec.ch/catalogueElectropedia-www.electropedia.orgThestand-aloneapplicationforconsultingtheentireTheworld'sleadingonlinedictionaryofelectronicandbibliographicalinformationonIECInternationalStandards,electricaltermscontainingmorethan30000termsandTechnic
6、alSpecifications,TechnicalReportsandotherdefinitionsinEnglishandFrench,withequivalenttermsin15documents.AvailableforPC,MacOS,AndroidTabletsandadditionallanguages.AlsoknownastheInternationaliPad.ElectrotechnicalVocabulary(IEV)online.IECpublicationssearch-www.iec.ch/searchpubIECGloss
7、ary-std.iec.ch/glossaryTheadvancedsearchenablestofindIECpublicationsbyaMorethan60000electrotechnicalterminologyentriesinvarietyofcriteria(referencenumber,text,technicalEnglishandFrenchextractedfromtheTermsandDefinitionscommittee,…).Italsogivesinformationonprojects,replacedclauseofI
8、ECpublicationsissuedsince2
