| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | See Detail | Status | Related Standard |
| GB/T 21198.4-2007 | English | 359 |
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Determination of precious metals in precious metals jewellery alloys -- Method using ICP spectrometry -- Part 4: 999‰ precious metals jewellery alloys -- Determination of precious metals -- Difference method
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GB/T 21198.4-2007
| Obsolete |
GB/T 21198.4-2007
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