"Foreword This document [EN 60745-2-4:2009/prAB:2012] has been prepared by CLC/TC 116 ""Safety of motor operated electric tools"". This document is currently submitted to the Enquiry. This document has been prepared under a mandate given to CENELEC by the European Commission and the European Free Trade Association@ and supports essential requirements of EU Directive(s). This amendment was developed to set out requirements for the measurement of the concentration for inhalable and respirable dust emitted by sanders while sanding materials containing quartz. Clauses@ subclauses@ notes@ tables and figures which are additional to those in IEC 60745-2-4 are prefixed ""Z"". Subclauses@ tables and figures which are additional to those in Part 1 are numbered starting from 101; additional annexes are lettered AA@ BB@ etc."
EN 60745-2-4/PRAB-2012由CENELEC - European Committee for Electrotechnical Standardization 发布于 2012-12-01,并于 2013-01-16 实施。
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