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International Standard Category: Acids

GB/T 538-1990    Boric acid for industrial use
工业硼酸 ;
Category No.:71.060.30 Valid Status:superseded
Issued Organization:China Petroleum and Chemical Industry Federation Issued Date:1990-01-02
Implemented Date:1991-1-2 Abolished Date:
Superseded Standard.:GB/T 538-2006 Boric acid for industrial use
Superseded Date:2007-2-1
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