| 标准编号 | DIN EN 60721-3-4 (1995-09) |
| 标准名称 | 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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| 发布日期 | 1995-09-01 |
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| 无 |
