Timber structures - strength graded structural timber with rectangular cross section - part 3 : machine grading - additional requirements for factory production control 木材结构.带矩形截面的强度分级的结构木材.第3部分:机械分级.工厂生产控制附加要求
Timber structures - strength graded structural timber with rectangular cross section - part 3 : machine grading ; additional requirements for factory production control ; german version en 14081 - 3 : 2005 木结构.矩形截面强度分级结构木材.第2部分:机械分级
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 木结构.矩形截面强度分级结构木材.第4部分:机器分级
