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International Standard Category: Copper and copper alloys

SN/T 1789-2006    Determination of gold and silver contents of blister copper--Fire assay gravimetric method
粗制中金、银量的测定火试金重量法 ;
Category No.:77.120.30 Valid Status:valid
Issued Organization:AQSIQ Issued Date:2006-4-25
Implemented Date:2006-11-15 Abolished Date:
Superseded Standard.: Superseded Date:
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