IEC-60601-2-66 Complete Document History
Medical electrical equipment - Part 2-66: Particular requirements for the basic safety and essential performance of hearing aids and hearing aid systems

Complete Current Edition:
   EDITION 3.0 - Part 2-66: Particular requirements for the basic safety and essential performance of hearing aids and hearing aid systems - Oct. 1, 2019

Obsolete Revision Information:
   EDITION 2.0 - Part 2-66: Particular requirements for the basic safety and essential performance of hearing instruments and hearing instrument systems - June 1, 2015
   EDITION 1.0 - Part 2-66: Particular requirements for the basic safety and - Oct. 2, 2012