Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
GB/T 14635.1-1993 | English | 199 |
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Rare earth metals and their compounds. Determination of total rare earth contents. Rare earth oxalate gravimetric method
| Obsolete |
GB/T 14635.1-1993
|
GB/T 14635-2020 | English | 205 |
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Rare earth metals and their compounds -- Determination of total rare earth content
| Valid |
GB/T 14635-2020
|