NF EN 1311:1997现行
Round And Sawn Timber - Method Of Measurement Of Biological Degrade
出版：Association Francaise de Normalisation
专家解读视频
Defines methods of measuring biological degradations in the visual grading of sawn and round timber for appearance or for assessment of its mechanical properties. Not applicable to strength grading of structural timber. Applicable to hardwood and softwood sawn timber, square-edged and unedged, to processed and to round timber, but not to tropical timber.
UNE EN 1311:1998 - Identical
SS EN 1311 Ed. 1 (1997) - Identical
NS EN 1311 Ed. 1 (1997) - Identical
UNI EN 1311:1999 - Identical
I.S. EN 1311:1997 - Identical
ONORM EN 1311:1997 - Identical
NEN EN 1311:1997 - Identical
SN EN 1311:1997 - Identical
DIN EN 1311 (1997-08) - Identical
BS EN 1311:1997 - Identical
NBN EN 1311:1997 - Identical
EN 1311:1997 - Identical
