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International Standard Category: Chemical reagents

GB/T 642-1999    Chemical reagent-Potassium dichromate
化学试剂 重铬酸钾;
Category No.:71.040.30 Valid Status:valid
Issued Organization:CBTS Issued Date:1999-9-1
Implemented Date:2000-6-1 Abolished Date:
Superseded Standard.: Superseded Date:
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