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1、ÞÍÛÒïêìðæîððçEUROPEANSTANDARDEN1640NORMEEUROPÉENNEEUROPÄISCHENORMOctober2009ICS11.060.20SupersedesEN1640:2004EnglishVersionDentistry-Medicaldevicesfordentistry-EquipmentArtdentaire-Dispositifsmédicauxpourl'artdentaire-Zahnheilkunde-MedizinproduktefürdieZahnheilkunde-MatérielAusrüstungThisEuropeanSt
2、andardwasapprovedbyCENon19September2009.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonap
3、plicationtotheCENManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheCENManagementCentrehasthesamestatusastheofficialversions.CENmembe
4、rsarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Poland,Portugal,Romania,Slovakia,Slovenia,Spain,Sweden,SwitzerlandandUnitedKingdom.EUROPEAN
5、COMMITTEEFORSTANDARDIZATIONCOMITÉEUROPÉENDENORMALISATIONEUROPÄISCHESKOMITEEFÜRNORMUNGManagementCentre:AvenueMarnix17,B-1000Brussels©2009CENAllrightsofexploitationinanyformandbyanymeansreservedRef.No.EN1640:2009:EworldwideforCENnationalMembers.ÞÍÛÒïêìðæîððçEN1640:2009(E)ContentspageForeword.........
6、.............................................................................................................................................................3Introduction.................................................................................................................................
7、................................41Scope..............................................................................................................................................................52Normati
