1、 IEC 60793-1-50 Edition 2.0 2014-09 INTERNATIONAL STANDARD NORME INTERNATIONALE Optical fibres Part 1-50:Measurement methods and test procedures Damp heat(steady state)tests Fibres optiques Partie 1-50:Mthodes de mesure et procdures dessai Essais de chaleur humide(tat continu)IEC 60793-1-50:2014-09(
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