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Norm EN-1611-1-EN

EN 1611-1 : Sawn timber - Appearance grading of softwoods - Part 1: European spuces, firs, pines and Douglas firs.

Publication date: 1999
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SCIAGE ASPECT BOIS BOIS RESINEUX CLASSEMENT DEFAUT DIMENSION ETAT SURFACE LIMITE MESURE NORME EN NORME NBN