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-50%
Residential timber-framed construction, Part 2: Non-cyclonic areas, N4 Supplement 8: Timber framing span tables - Wind classification N4 - Seasoned hardwood - Stress Grade F17 (Supplement to AS 1684.2-2010)
standard by Standards Australia, 06/21/2010
AS 1684.2 N4 Supp 8-2010
$7.45 $3.73