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International Standard Category: Chemical reagents

GB/T 632-1993    Chemical reagents;Sodium tetrabonate
化学试剂 十水合四硼酸钠(四硼酸钠) ;
Category No.:71.040.30 Valid Status:superseded
Issued Organization:China Oil and Chemical Industry Association Issued Date:1993-03-01
Implemented Date:1993-1-2 Abolished Date:
Superseded Standard.:GB/T 632-2008 Chemical reagent - Disodium tetraborate decahydrate
Superseded Date:2008-11-1
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