DIN EN 14081-4-2008 木结构.带矩形横断面的强度等级结构木材.第4部分:机械分级.机械受控系统用分级机械设置
Timber structures - Strength graded structural timber with rectangular cross section - Part 4: Machine grading - Grading machine settings for machine controlled systems; German version EN 14081-4:2005+A3:2008
This European Standard gives settings, derived according to the requirements given in EN 14081-2,
for various combinations of strength classes or grades, grading machines and species from particular
sources of growth. These settings are only applicable to timber from the sources indicated in the tables.