DIN EN 975-1 (2011-08)现行
Sawn timber - Appearance grading of hardwoods Part 1: Oak and beech (includes Amendment AC:2010)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
UNE EN 975-1:2010 - Identical
SS EN 975-1 Ed. 3 (2009) - Identical
NF EN 975-1:2009 - Identical
UNI EN 975-1:2009 - Identical
BS EN 975-1:2009 - Identical
NEN EN 975-1:2009 - Identical
NBN EN 975-1:2009 - Identical
