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International Standard Category: Laboratory ware and related apparatus |
Category No.: | 71.040.20 | Valid Status: | superseded |
Issued Organization: | State Bureau of Quality and Technology Supervision | Issued Date: | 2000-06-05 |
Implemented Date: | 2000-1-1 | Abolished Date: | |
Superseded Standard.: | GB/T 18115.6-2006 Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Europium - Determination of lanthanum, cerium, praseodymium, neodymium, samarium, gadolinium, |
Superseded Date: | 2006-10-1 |
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