Standard Specification for
Copper Drainage Tube (DWV) 1
This standard is issued below the constant designation b 306; the quantity immediately following the designation indicates the yr of
authentic adoption or, inside the case of revision, the year of remaining revision. a variety of in parentheses suggests the year of closing reapproval. a
superscript epsilon (e) indicates an editorial alternate since the final revision or reapproval.
This general has been accepted to be used through groups of the branch of protection.
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