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International Standard Category: Oxides |
Category No.: | 71.060.20 | Valid Status: | superseded |
Issued Organization: | Issued Date: | 2006-07-27 | |
Implemented Date: | 2006-10-11 | Abolished Date: | |
Superseded Standard.: | YS/T 568.1-2008 Chemical analysis methods for zirconium oxide and hafnium oxide-Determination of zirconium oxide and hafnium oxide total content-Mandelic acid gravimetric method |
Superseded Date: | 2008-9-1 |
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