ISO 14122-4-2016 Safety of machinery — Permanent means of access to machinery

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1、INTERNATIONALISOSTANDARD14122-4Secondedition2016-06-01Safetyofmachinery—Permanentmeansofaccesstomachinery—Part4:FixedladdersSécuritédesmachines—Moyensd’acèspermanentsauxmachines—Partie4:échelles?fixesReferencenumberISO14122-4:2016(E)?ISO2016ISO14122-4

2、:2016(E)COPYRIGHTPROTECTEDDOCUMENT?ISO2016,PublishedinSwitzerlandAllrightsreserved.Unlessotherwisespecified,nopartofthispublicationmaybereproducedorutilizedotherwiseinanyformorbyanymeans,electronicormechanical,includingphotocopying,orpostingontheinter

3、netoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbeloworISO’smemberbodyinthecountryoftherequester.ISOcopyrightofficeCh.deBlandonnet8?CP401CH-1214Vernier,Geneva,SwitzerlandTel.+41227490111Fax+41227490947cop

4、yright@iso.orgwww.iso.orgi?ISO2016–AllrightsreservedISO14122-4:2016(E)ContentsPageForeword.................................................................................................................................................................

5、...................................................vIntroduction...........................................................................................................................................................................................

6、................vi1Scope............................................................................................................................................................................................................12Normativereferences..

7、...................................................................................................................................................................13Termsanddefinitions...................................................................

8、.................................................................................................24Selectionanddesignofladdersystems...............................................................................................................