cc523pate 发表于 2018-2-28 23:49:58

DIN EN 12369-3-2009(E) Wood-based panels — Characteristic values for structura

DIN EN 12369-3-2009(E) Wood-based panels — Characteristic values for structural design — Part 3: Solid-wood panels

cc523pate 发表于 2018-3-4 00:12:54


admin 发表于 2018-3-4 23:20:15

谢谢您的分享,金币已奖励!
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