NF P31-202-1/A2

DTU 40.21 - Building works - Roof covering made of slipping or grooved clay tiles - Part 1 : technical specifications

Le présent document est un amendement à la NF P 31-202-1 (Référence DTU 40.21) afin d'éliminer les exigences qui pourraient être considérées comme discriminatoires à l'égard des fournisseurs de l'espace économique européen. Il ajoute un avant-propos et modifie les paragraphes 3.1, 4.1 et les annexes D et F.

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