IEC-61828 Complete Document History
Ultrasonics - Transducers - Definitions and measurement methods regarding focusing for the transmitted fields

Complete Current Edition:
   EDITION 2.0 - Methods regarding focusing for the transmitted fields - Dec. 1, 2020

Obsolete Revision Information:
   EDITION 1.0 - Ultrasonics - Focusing transducers - Definitions and measurement methods for the transmitted fields - May 1, 2001