ISO-17123-4 Complete Document History
Optics and optical instruments - Field procedures for testing geodetic and surveying instruments - Part 4: Electro-optical distance meters (EDM measurements to reflectors)

Complete Current Edition:
   2ND EDITION - instruments - Part 4: Electro-optical distance meters (EDM m - June 1, 2012

Obsolete Revision Information:
   1ST EDITION REPRINT - CORRECTED AND REPRINTED - April 15, 2002
   1ST EDITION - FIELD PROCEDURES FOR TESTING G - Dec. 1, 2001