Standard Specification for Oxygen-Free Electrolytic Copper—Refinery Shapes1
This fashionable is issued beneath the fixed designation b 170; the quantity straight away following the designation shows the yr of original adoption or, inside the case of revision, the 12 months of closing revision. a number in parentheses suggests the 12 months of remaining reapproval. a superscript epsilon (e) indicates a piece of writing trade for the reason that closing revision or reapproval.
This widespread has been authorized for use with the aid of organizations of the branch of defense.
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