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UL 325 Ed. 7-2017
Norme de sécurité relative aux dispositifs d’ouverture et systèmes de porte, de tenture, de barrière, de persienne et de fenêtre
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Underwriters Laboratories [ul]
Content Provider
Underwriters Laboratories [ul]
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.