Standard Specification for Aluminum-Coated Steel Chain-Link Fence Fabric1
This general is issued beneath the fixed designation a 491; the quantity at once following the designation suggests the yr of authentic adoption or, in the case of revision, the 12 months of closing revision. Various in parentheses indicates the year of ultimate reapproval. A superscript epsilon (e) suggests a piece of writing trade for the reason that closing revision or reapproval.
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You can also get ASTM A 490M – 04 international standard