Class A steel ladders, for permanent attachment to chimneys and other structures. Class B, for permanent attachment to silos, bins and agricultural plant, which may be formed of steel or aluminium.
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BS 4211:1987
Original price was: $190.50.$95.00Current price is: $95.00.
Specification for ladders for permanent access to chimneys, other high structures, silos and bins
BSI Group , 06/15/1992
Pages: 18
