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NFPA 80A 室外��的建筑物的�护推��法
日期:2012-02-09 10:41
Changed the term flame spread rating to flame spread index
Added one UL standard and one ASTM standard to replace NFPA 255, which was withdrawn in 2009
Updated the edition of one UL Standard
NFPA 80A is essential for AHJs, architects, mechanical and fire protection engineers. (Softbound, 14 pp., 2012)

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