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CEI NORME IEC INTERNATIONALE 60068-2-42 INTERNATIONAL STANDARD Troisieme édition Third edition 2003-05 Essaisd'environnement- Partie2-42: Essais- EssaiKc:EssaiaI'anhydridesulfureux pourcontactsetconnexions Environmental testing- Part 2-42: Tests - TestKc:Sulphurdioxidetest forcontactsandconnections IEC Numerodereference Referencenumber CEI/IEC60068-2-42:2003 Publication numbering Numerotationdespublications Depuis le1er janvier 1997,lespublications de la CEl Asfrom1January1997all IEcpublicationsare sont numerotees a partir de 60000.Ainsi, la CEI 34-1 issued with a designation in the 60000 series.For devient la CEI60034-1. example,IEC34-1isnowreferredtoasIEC60034-1. Editionsconsolidees Consolidated editions Les versions consolidees de certaines publications de la The IEC is now publishing consolidated versions of its CElincorporantlesamendementssontdisponibles.Par publications.For example,edition numbers 1.0,1.1 exemple,les numeros d'edition1.0,1.1et1.2 indiquent and 1.2 refer.respectively.to thebase publication. respectivementlapublicationdebase,lapublicationde the base publication incorporating amendment 1 and base incorporant Iamendement 1,et la publication de the base publication incorporating amendments1 base incorporant les amendements1et2. and 2. Informationssupplementaires FurtherinformationonIEC publications surlespublicationsdelaCEl The technical content of Ec publications is kept Le contenu technique des publications dela CElest constamment revu par la CEl afin qu'il reflete I'etat under constant review by the IEC,thus ensuring that actueldela technique.Desrenseignementsrelatifsa the content reflects current technology.Information cette publication,y compris sa validite, sont dispo. relating to this publication,including its validity.is nibles dans le Catalogue des publications de la CEl availablein theIEC Catalogueof publications (voir ci-dessous)enplusdesnouvelleseditions, (seebelow)in additiontoneweditions,amendments amendements et corrigenda.Des informations sur les andcorrigenda. Information on the subjects under sujets a I'etude et I'avancement des travaux entrepris consideration and work in progress undertaken by the par le comite d'etudes qui a elabore cette publication, technical committee which has prepared this ainsiquelalistedes publicationsparues,sont publication,as well as the list of publications issued, egalement disponibles par Fintermediaire de: is also available from the following: Site web de la CEI (www.iec.ch) IEcWeb Site (www.iec.ch) Catalogue des publications de la CEl Catalogue of IEC publications Le catalogue en ligne sur le site web de la CEl The on-line catalogue on the IEC web site (http://www.iec.ch/searchpub/cur_fut.htm)vouspermet (http://www.iec.ch/searchpub/curfut.htm)enables de faire des recherches en utilisant de nombreux you to search by a variety of criteria including text criteres,comprenant des recherches textuelles,par searches, technical committees and date of comited'etudes ou datede publication.Des publication.On-line information is also available informations en ligne sont egalement disponibles sur on recently issued publications,withdrawn and les nouvellespublications,les publications rempla- replaced publications, as well as corrigenda. cees ou retirees,ainsi que sur les corrigenda. IEC JustPublished IECJustPublished Ce resume des. dernieres publications parues This summaryof recently issued publications (http://www.iec.ch/onlinenews/justpub/ipentry.htm) (http://www.iec.ch/onlinenews/iustpub/ipentry.htm) est aussi disponible par courrier electronique. is also availablebyemail.Please contactthe Veuillez prendre contact avec le Service client Customer Service Centre (see below)for further (voir ci-dessous)pourplus d'informations. information. Service clients Customer Service Centre Si vous avez des questions au sujet de cette If you have any questions regarding this publication ou avez besoin de renseignements publication or need further assistance, please supplementaires,

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