Process and {HEAD ~ apparatus} for producing {TAIL ~ sub micron fibers}, and nonwovens and articles containing same 
Process and { HEAD ~ apparatus } for producing { TAIL ~ sub micron fibers } , and nonwovens and articles containing same
OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH