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International Standard Category: Testing of metals in general |
Category No.: | 77.040.01 | Valid Status: | superseded |
Issued Organization: | AQSIQ; SAC | Issued Date: | 2006-7-18 |
Implemented Date: | 2006-11-1 | Abolished Date: | 2021-04-01 |
Superseded Standard.: | GB/T 5252-2020 Test method for dislocation density of monocrystal germanium |
Superseded Date: | 2021-5-1 |
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