Structural timber. Visual strength grading of tropical hardwood
结构木材 热带硬木的视觉强度分级

2016-07-31

Visual grading for structural sawn timber. Hardwood timber.
结构锯材的目视分级 硬木

2007-06-20

Timber - Hardwood - Visually stress-graded for structural purposes
木材.硬木.结构用视觉应力分级

2007-12-07

Structural timber — Visual strength grading — Basic principles
结构木材 - 视觉力量分级 - 基本原理

2018-10-23

Structural Timber. Strength classes. Assignment of visual grades and species
结构木材 力量课 视觉等级和种类的分配

2013-09-30

Structural timber - Strength classes - Assignment of visual grades and species
结构木材.强度等级.视觉等级和种类的分配

2010-07-14