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International Standard Category: Flanges, couplings and joints |
Category No.: | 23.040.60 | Valid Status: | superseded |
Issued Organization: | AQSIQ | Issued Date: | 1988-4-2 |
Implemented Date: | 2004-6-1 | Abolished Date: | |
Superseded Standard.: | GB/T 9128.1-2023 Metallic ring joint gaskets for steel pipe flanges—Part 1:PN designated GB/T 9128.2-2023 Metallic ring joint gaskets for steel pipe flanges—Part 2:Class designated |
Superseded Date: | 2024-4-1 |
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