Standard Specification for Carbon and Alloy Steel Forgings for Rings for Reduction Gears1
This trendy is issued beneath the fixed designation a 290; the wide variety without delay following the designation shows the year of unique adoption or, in the case of revision, the year of ultimate revision. more than a few in parentheses shows the 12 months of last reapproval. a superscript epsilon (e) shows a piece of writing change for the reason that final revision or reapproval.
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click here to download Astm A289M – 97 (Reapproved 2003) pdf free
