Description
Item Description:"Approved October 16, 1995 ; American National Standards Institute, Inc."
"Revision, redesignation and consolidation of ANSI PH1.17-1990, PH1.49-1989, and PH1.50-1987."
"ANSI/NAPM ITI.49-1995."
Physical Description:iv, 26 pages : illustrations ; 28 cm.
Bibliography:Includes bibliographical references (page 26)
Action Note:committed to retain