Standard Practice for
Determination of Character Yield of Inked Fabric Typewriter
and Printer Ribbons1
This fashionable is issued underneath the constant designation f 92; the number immediately following the designation shows the year of original
adoption or, within the case of revision, the yr of closing revision. more than a few in parentheses suggests the year of ultimate reapproval. a superscript
epsilon (e) shows a piece of writing exchange because the ultimate revision or reapproval.
click below to download Astm F 92 – 93 (Reapproved 2003) pdf free
click here to download Astm 91 – 70 (Reapproved 2001) pdf free