Standard Speciﬁcation for Welded Copper Tube1
This general is issued underneath the ﬁxed designation b 447; the wide variety at once following the designation suggests the 12 months of unique adoption or, inside the case of revision, the year of last revision. A range of in parentheses suggests the yr of last reapproval. A superscript epsilon (e) indicates an editorial change because the last revision or reapproval.
This widespread has been accepted for use by means of organizations of the branch of defense.
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You can also get ASTM B 446 – 03 International standard