{HEAD ~ A window wall} 5 wherein said {TAIL ~ frame perimeter} and both said horizontal muntins and vertical mullions further include a clamping member and a plurality of fasteners mounting said clamping member to said at least one support member and 
wherein
{ HEAD ~ A window wall } 5 wherein said { TAIL ~ frame perimeter } and both said horizontal muntins and vertical mullions further include a clamping member and a plurality of fasteners mounting said clamping member to said at least one support member and
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