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| International Standard Category: Other insulating materials |
GB/T 4207-2012 Method for the determination of the proof and the comparative tracking indices of solid insulating materials
固体绝缘材料耐电痕化指数和相比电痕化指数的测定方法 ;
| Category No.: | 29.035.99 | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2012-12-31 |
| Implemented Date: | 2013-6-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 4207-2022 Method for the determination of the proof and the comparative tracking indices of solid insulating materials |
Superseded Date: | 2023-2-1 |
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