liuxilin1215 发表于 2014-1-19 19:05:52

BS EN 60721-3-3-1995

BS EN 60721-3-3-1995 Classification of environmental conditions — Part 3: Classification of groups of environmental parameters and their severities — Section 3.3 Stationary use at weatherprotected locations


admin 发表于 2014-1-21 13:36:38

谢谢您的分享，金币已奖励。

richard4900 发表于 2015-10-23 13:19:24

BS EN 60721-3-3-1995 Classification of environmental conditions — Part 3: Classification of groups of environmental parameters and their severities — Section 3.3 Stationary use at weatherprotected locations

sch_jack 发表于 2016-3-29 14:57:28

感謝樓主的分享.......^_^
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