In FIGS 14 and 15, still {TAIL ~ another alternative construction} is illustrated in {HEAD ~ one form} of the invention as a locking finger or flange 113 lanced from cover 23 adjacent each smaller stepped opening 99 
In FIGS 14 and 15 , still { TAIL ~ another alternative construction } is illustrated in { HEAD ~ one form } of the invention as a locking finger or flange 113 lanced from cover 23 adjacent each smaller stepped opening 99
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