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| International Standard Category: Other insulating materials |
GB/T 21221-2007 Insulating liquids - Specifications for unused insulating liquids based on synthetic aromatic hydrocarbons
绝缘液体 以合成芳烃为基的未使用过的绝缘液体 ;
| Category No.: | 29.035.99 | Valid Status: | superseded |
| Issued Organization: | SAC AQSIQ | Issued Date: | 2007-12-3 |
| Implemented Date: | 2008-5-20 | Abolished Date: | |
| Superseded Standard.: | GB/T 21221-2022 Insulating liquids—Specifications for unused liquids based on synthetic aromatic hydrocarbons |
Superseded Date: | 2023-2-1 |
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