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| International Standard Category: Other non-ferrous metals and their alloys |
GB/T 13747.21-2017 Methods for chemical analysis of zirconium and zirconium alloys - Part 21: Determination of hydrogen content - Inert gas fusion-infrared absorption or thermal conductivity method
锆及锆合金化学分析方法 第21部分：氢量的测定 惰气熔融红外吸收法/热导法 ;
| Category No.: | 77.120.99 | Valid Status: | valid |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2017-09-29 |
| Implemented Date: | 2018-4-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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