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International Standard Category: Chemical reagents

GB 643-1988    Chemical reagent-Potassium permanganate
化学试剂 高锰酸钾 ;
Category No.:71.040.30 Valid Status:abolished
Issued Organization:CSBTS Issued Date:1988-09-20
Implemented Date:1989-4-1 Abolished Date:2008-11-01
Superseded Standard.:GB/T 643-2008 Chemical reagent - Potassium permanganate
Superseded Date:2008-11-1
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