Standard Specification for Steel Wire, Oil-Tempered for Mechanical Springs1
This widespread is issued under the fixed designation a 229/a 229m; the quantity without delay following the designation indicates the yr of authentic adoption or, in the case of revision, the year of ultimate revision. various in parentheses indicates the 12 months of final reapproval. a superscript epsilon (e) suggests an editorial alternate because the remaining revision or reapproval.
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