Standard Specification for
Seamless Copper Tube for Air Conditioning and
Refrigeration Field Service1
This preferred is issued under the fixed designation b 280; the quantity immediately following the designation suggests the 12 months of
authentic adoption or, within the case of revision, the 12 months of closing revision. various in parentheses suggests the yr of closing reapproval. a
superscript epsilon (e) shows a piece of writing trade for the reason that closing revision or reapproval.
This fashionable has been accepted for use with the aid of companies of the branch of defense.
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