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A-A-53921 1989 Edition, May 30, 1989
Complete Document
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Includes all amendments and changes through Cancellation Notice 1, September 28, 2009
Additional Comments: CNCL NO S/S
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The General Services Administration has authorized the use of this Commercial Item Description in preference to Federal Specification DD-W-131C for Class B watch glass sets.

This Commercial Item Description covers soda-lime watch glasses intended for use as coverings for laboratory ware.