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| International Standard Category: Other standards related to analytical chemistry |
GB/T 20724-2006 Method of thickness measurement for thin crystal by convergent beam electron diffraction
薄晶体厚度的会聚束电子衍射测定方法 ;
| Category No.: | 71.040.99 | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2007-03-26 |
| Implemented Date: | 2007-8-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 20724-2021 Microbeam analysis—Method of thickness measurement for thin crystals by convergent beam electron diffraction |
Superseded Date: | 2022-7-1 |
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