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| Professional Standard Category: Professional Standard - Electricity |
DL/T 557-1994 Insulators of Ceramic or Glass Material Overhead Lines with A Nominal Voltage Greater than 1000V—Impulse Tolerance Tests in Steep Wave
高压线路绝缘子陡波冲击耐受试验--定义、试验方法和判据;
| Category No.: | DL | Valid Status: | superseded |
| Issued Organization: | Issued Date: | ||
| Implemented Date: | Abolished Date: | ||
| Superseded Standard.: | DL/T 557-2005 Insulators of ceramic or glass material overhead lines with a nominal voltage greater than 1000V -- impulse puncture tests in air |
Superseded Date: | 2005-6-1 |
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