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  • UL Subject 497B

UL Subject 497B

Standard for Protectors for Data Communications and Fire-Alarm Circuits (Bulletin, 12/14/2007)

Underwriters Laboratories , 12/14/2007

Publisher: UL

File Format: PDF

$91.00$183.02


Standard By:Underwriters Laboratories , 12/14/2007
Published:12/14/2007

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