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Date: 2015-10-13 11:32:11Standards organizations Technology Door Intercom UL American National Standards Institute Science and technology Measurement Draft:6 second break in | ANSI/DASMAAMERICAN NATIONAL STANDARD PERFORMANCE CRITERIA FOR ACCESSIBLE COMMUNICATIONSAdd to Reading ListSource URL: www.dasma.comDownload Document from Source WebsiteFile Size: 166,66 KBShare Document on Facebook |