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| International Standard Category: Bushings |
GB 12944.1-1991 High-voltage ceramic wall bushings
高压穿墙瓷套管技术条件 ;
| Category No.: | 29.080.20 | Valid Status: | superseded |
| Issued Organization: | CSBTS | Issued Date: | 1991-05-02 |
| Implemented Date: | 1992-2-1 | Abolished Date: | 2009-04-01 |
| Superseded Standard.: | GB/T 4109-2008 Insulated bushings for alternating voltages above 1 000V |
Superseded Date: | 2009-4-1 |
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