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Author: Papier, I. I.
Title: NFPA 72, UL Standards Work Together.
Coporate: Underwriters Laboratories, Inc., Northbrook, IL
Journal: NFPA Journal, Vol. 87, No. 5, 25-26, September/October 1993
Keywords: NFPA 72 | standards | fire alarm systems | installing
Identifiers: electrical safety