AS 1597.1-1974
AS 1597.1-1974
Precast reinforced concrete box culverts - Small culverts (not exceeding 1200 mm width and 900 mm depth)
standard by Standards Australia, 01/01/1974
standard by Standards Australia, 01/01/1974
Precast reinforced concrete box culverts - Small culverts (not exceeding 1200 mm span and 1200 mm height)
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Precast reinforced concrete box culverts - Small culverts (not exceeding 1200 mm width and 900 mm depth)