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| International Standard Category: Semiconducting materials |
YS/T 223-1996 Selenium
硒 ;
| Category No.: | 29.045 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1996-02-02 | |
| Implemented Date: | 1996-12-1 | Abolished Date: | |
| Superseded Standard.: | YS/T 223-2007 Selenium |
Superseded Date: | 2008-5-1 |
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