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International Standard Category: Chemical reagents

GB/T 660-1992    Chemical reagents;Ammonium thiocyanate
化学试剂 硫氰酸铵;
Category No.:71.040.30 Valid Status:superseded
Issued Organization:CSBTS Issued Date:1992-9-1
Implemented Date:1993-7-1 Abolished Date:
Superseded Standard.:GB/T 660-2015 Chemical reagent―Ammonium thiocyanate
Superseded Date:2015-12-1
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