Standard Test Method for
Access Depth Under Furniture of Vacuum Cleaners1
This trendy is issued beneath the constant designation f 420; the range at once following the designation indicates the year of
original adoption or, within the case of revision, the yr of closing revision. various in parentheses shows the year of remaining reapproval. a
superscript epsilon (e) indicates a piece of writing alternate since the ultimate revision or reapproval.
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