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Each ventilation sleeve shall have a 6mm thick stainless steel fragmentation plate mounted on the external face using 8mm stainless steel bolts. See FIGURE 4.4(a) and (b).
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Each ventilation sleeve shall have a 6mm thick stainless steel fragmentation plate mounted on the external face using 8mm stainless steel bolts. See FIGURE 4.4(a) and (b).