Standard Specification for
Seamless Copper Bus Pipe and Tube1
This widespread is issued below the fixed designation b 188; the variety without delay following the designation indicates the year of
original adoption or, in the case of revision, the yr of remaining revision. a number in parentheses suggests the yr of closing reapproval. a
superscript epsilon (e) shows an editorial alternate since the last revision or reapproval.
This popular has been authorised for use via agencies of the department of protection.
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