Standard Speciﬁcation for Seamless Copper Tube1
This fashionable is issued under the ﬁxed designation b seventy five; the range straight away following the designation shows the yr of unique adoption or, within the case of revision, the yr of ultimate revision. various in parentheses indicates the year of closing reapproval. a superscript epsilon (e) shows an editorial exchange since the remaining revision or reapproval.
This widespread has been accepted for use with the aid of groups of the department of defense
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