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| International Standard Category: Flow in open channels |
GB/T 13748.7-1992 Magnesium and its alloys-Determination of beryllium content-Solochrome cyanine R Spectrophotometric method
镁及镁合金化学分析方法 依来铬氰蓝R分光光度法测定铍量 ;
| Category No.: | 17.120.20 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1992-01-01 | |
| Implemented Date: | 1993-6-1 | Abolished Date: | 2006-01-01 |
| Superseded Standard.: | GB/T 13748.11-2005 Chemical analysis methods of magnesium and magnesium alloys — Determination of beryllium content — Solochrome cyanine R spectrophotometric method |
Superseded Date: | 2006-1-1 |
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