It should also be noted that the longitudinal slots 40 provided in each of {HEAD ~ the stanchions} 16 of {TAIL ~ the present invention} are similar to slots 22 provided on the support rails 12 and 14 and are positioned so as to be in alignment therewith 
It should also be noted that the longitudinal slots 40 provided in each of { HEAD ~ the stanchions } 16 of { TAIL ~ the present invention } are similar to slots 22 provided on the support rails 12 and 14 and are positioned so as to be in alignment therewith
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