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| Standard Insuued on: 1981-02 |
SJ 178 3-1981 SJ 178 3-1981 Specification for electrical vacuum ceramic parts
电真空陶瓷零件技术条件
| Category No.: | SJ | Valid Status: | valid |
| Issued Organization: | MIIT | Issued Date: | 1981-3-27 |
| Implemented Date: | 1981-8-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
JJG 252-1981
JJG 253-1981
SJ 1735-1981
SJ 1783-1981
GB/T 2432-1981
GB/T 2430-1981
GB/T 1693-1981
GB/T 1694-1981
GB/T 1695-1981
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