Standard Specification for
Steel Air Ventilating Grille Units for Detention Areas1
This standard is issued under the fixed designation A 750; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
Click below to download Astm A 750 – 77 (Reapproved 1994)e1 pdf free
Click here to download Astm A 749/A749M – 97 (Reapproved 2002) Pdf Free Download