DS DS/EN 60731/A1
DS DSEN 60731A1 2002-NOV-13 Medcal electrcal equpment - Dosmeters wth onzaton chambers as used n radotherapy
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This international Standard specifies the performance requirements or radiotherapy dosimeters, as defined in 3.1, intended for the measurement of absorbed dose to water or air kerma (and their rates) in photon or electron radiation fields as used in radiotherapy.