NF P39-201-1/A1

DTU 40.14 - Building works - Roof covering made of asphalt shingles - Part 1 : technical specifications

Le présent document, un amendement à la norme NF P 39-201 -1, introduit la référence à la norme NF EN 544 en remplacement de la norme NF P 39-302.

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