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International Standard Category: Stainless steels |
Category No.: | 77.140.20 | Valid Status: | abolished |
Issued Organization: | AQSIQ | Issued Date: | 1992-1-1 |
Implemented Date: | 1993-10-1 | Abolished Date: | 2022-10-12 |
Superseded Standard.: | GB/T 1174-2022 Cast bearing alloy |
Superseded Date: | 2022-10-12 |
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