liuxilin1215 发表于 2014-1-19 19:04:16

BS EN 60721-3-2-1997

BS EN 60721-3-2-1997 Classification of environmental conditions — Part 3: Classification of groups of environmental parameters and their severities — Section 2: Transportation


admin 发表于 2014-1-21 13:36:34

谢谢您的分享，金币已奖励。

richard4900 发表于 2015-10-23 13:20:06

BS EN 60721-3-2-1997 Classification of environmental conditions — Part 3: Classification of groups of environmental parameters and their severities — Section 2: Transportation

sch_jack 发表于 2016-3-29 14:56:58

感謝樓主的分享.......^_^

hgx130 发表于 2016-12-7 10:54:25

求指教，谢谢分享~~~~~~~~~~~~~~
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