This standard defines appearance grades for European poplars. The standard applies to dry and green sawn timber, of thickness 15 mm up to 34 mm and of width 100 mm up to 250 mm measured in a green state. This standard does not apply to the strength grading of structural timber.#,,#
DIN EN 975-2:2004 history
2004DIN EN 975-2:2004-09 Sawn timber - Appearance grading of hardwoods - Part 2: Poplars; German version EN 975-2:2004
2004DIN EN 975-2:2004 Sawn timber - Appearance grading of hardwoods - Part 2: Poplars; German version EN 975-2:2004