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International Standard Category: Other non-ferrous metals and their alloys

GB/T 13449-2021    Method for sampling and sample preparation of gold lump ores
金块矿取样和制样方法 ;
Category No.:77.120.99 Valid Status:valid
Issued Organization:SAMR, SAC Issued Date:2021-04-30
Implemented Date:2021-11-1 Abolished Date:
Superseded Standard.: Superseded Date:
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