| 标准编号 | IEC 60721-3-4 Amd.1 Ed. 2.0 |
| 标准名称 | Amendment 1 - Classification of environmental conditions - Part 3: Classification of groups of environmental parameters and their severities - Section 4: Stationary use at non-weatherprotected locations |
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| 标准状态 | |
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| 批准文号 | |
| 发布日期 | 1996-11-08 |
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| 前言 | |
| 无 |
