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| Standard Insuued on: 1981-02 |
JJG 253-1981 Verification Regulation of Calibrating Attenuator by 1-2 Type Attenuation Standard Equipment
用Д1-2型衰减标准装置检定衰减器检定规程
| Category No.: | JJ | Valid Status: | abolished |
| Issued Organization: | 国家计量总局 | Issued Date: | 1981-02-11 |
| Implemented Date: | 1982-11-1 | Abolished Date: | 2021-05-11 |
| Superseded Standard.: | Superseded Date: |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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