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A-A-53921 Base Document:1989
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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WATCH GLASS SET
28-09-2009
Specifies soda-lime watch glasses intended for use as coverings for laboratory ware.
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