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International Standard Category: Essential oils

QB/T 2544-2002    Coumarin
香豆素 ;
Category No.:71.100.60 Valid Status:superseded
Issued Organization:National Development and Reform Commission Issued Date:2002-09-21
Implemented Date:2002-12-1 Abolished Date:
Superseded Standard.:QB/T 2544-2011 Coumarin
Superseded Date:2012-4-1
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